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接続詞の問題をアニメで学ぶTOEIC Part5文法

全145問。1本再生し終えると自動で次の問題に進みます。スワイプ・スクロールでも移動できます。

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カイ ・ Q1232

The survey is anonymous ___ employees can answer honestly.

答えを見る

正解: D) so that

'So that' introduces a purpose.

📘 接続詞の解き方を見る →

カイ ・ Q1231

Mr. Reed could not attend the dinner, ___ he sent a written speech.

答えを見る

正解: C) so

'So' introduces a result.

📘 接続詞の解き方を見る →

カエデ ・ Q927

The trial was halted ___ the results were inconclusive.

答えを見る

正解: C) because

A clause follows, so the conjunction is required.

📘 接続詞の解き方を見る →

カイ ・ Q1133

Please save your work frequently ___ the system shuts down unexpectedly.

答えを見る

正解: A) in case

'In case' means as a precaution.

📘 接続詞の解き方を見る →

カエデ ・ Q830

Use the stairs ___ the lift is under repair.

答えを見る

正解: B) while

'While' introduces a clause about the same period.

📘 接続詞の解き方を見る →

カエデ ・ Q829

___ the training was optional, most staff attended.

答えを見る

正解: A) Although

'Although' introduces a contrasting clause.

📘 接続詞の解き方を見る →

カイ ・ Q1132

The factory tour was canceled ___ the equipment was being serviced.

答えを見る

正解: D) since

'Since' can mean 'because'.

📘 接続詞の解き方を見る →

カエデ ・ Q827

The order was split ___ the warehouse was short of stock.

答えを見る

正解: C) because

A clause follows, so the conjunction is required.

📘 接続詞の解き方を見る →

カイ ・ Q1131

The Calder Theater sold every seat, ___ the play received mixed reviews.

答えを見る

正解: C) even though

'Even though' introduces a contrast.

📘 接続詞の解き方を見る →

カイ ・ Q1033

___ sales increased, profits fell because of higher costs.

答えを見る

正解: A) While

'While' can show contrast between two facts.

📘 接続詞の解き方を見る →

カエデ ・ Q1930

The Grove cafe is popular ___ its prices are low.

答えを見る

正解: B) because

'Because' gives the reason.

📘 接続詞の解き方を見る →

カイ ・ Q1032

Employees may work from home ___ their tasks do not require on-site equipment.

答えを見る

正解: D) provided that

'Provided that' means 'on the condition that'.

📘 接続詞の解き方を見る →

カエデ ・ Q1929

Mr. Adair will send the invoice ___ the work is complete.

答えを見る

正解: A) after

'After' orders two events.

📘 接続詞の解き方を見る →

カイ ・ Q1031

The flight was delayed, ___ several passengers missed their connections.

答えを見る

正解: C) so

'So' introduces a result.

📘 接続詞の解き方を見る →

カエデ ・ Q1928

You can pay in cash ___ by credit card.

答えを見る

正解: D) or

'Or' presents alternatives.

📘 接続詞の解き方を見る →

カエデ ・ Q1927

___ the Kirby hotel is old, it is very comfortable.

答えを見る

正解: C) Although

'Although' introduces a contrast.

📘 接続詞の解き方を見る →

カイ ・ Q933

___ you collect the parcel or have it delivered, sign here.

答えを見る

正解: A) Whether

'Whether ... or' covers both alternatives.

📘 接続詞の解き方を見る →

カエデ ・ Q1926

The Stanmore store is closed ___ the floors are being replaced.

答えを見る

正解: B) while

'While' introduces a clause about the same time.

📘 接続詞の解き方を見る →

カイ ・ Q932

The offer stands ___ stocks last.

答えを見る

正解: D) as long as

'As long as' states a continuing condition.

📘 接続詞の解き方を見る →

カイ ・ Q931

Number each page ___ the file can be reassembled.

答えを見る

正解: C) so that

'So that' introduces a purpose clause with a subject and verb.

📘 接続詞の解き方を見る →

カエデ ・ Q1830

___ the Harrow Street store is profitable, it will stay open.

答えを見る

正解: B) As long as

'As long as' means on the condition that.

📘 接続詞の解き方を見る →

カエデ ・ Q1829

Mr. Lund will call you ___ he has more information.

答えを見る

正解: A) when

'When' introduces the time of the action.

📘 接続詞の解き方を見る →

カイ ・ Q1935

___ Ms. Ng was on leave, Mr. Ali managed her team.

答えを見る

正解: C) While

'While' introduces a clause about the same time.

📘 接続詞の解き方を見る →

カエデ ・ Q1828

The Corbett printer is fast ___ quiet.

答えを見る

正解: D) and

'And' joins two positive qualities.

📘 接続詞の解き方を見る →

カイ ・ Q1934

The Lister bakery closed early ___ it had sold out of bread.

答えを見る

正解: B) since

'Since' can mean 'because'.

📘 接続詞の解き方を見る →

カエデ ・ Q1827

___ Ms. Park arrives, the meeting will begin.

答えを見る

正解: C) Once

'Once' means 'as soon as'.

📘 接続詞の解き方を見る →

カイ ・ Q1933

Please read the contract carefully ___ you sign it.

答えを見る

正解: A) before

'Before' orders two events.

📘 接続詞の解き方を見る →

カエデ ・ Q1826

The Rydell bakery is closed today ___ the owner is on vacation.

答えを見る

正解: B) because

'Because' gives the reason.

📘 接続詞の解き方を見る →

カイ ・ Q1932

The Hollister report was late, ___ it was very thorough.

答えを見る

正解: D) but

'But' introduces a contrast.

📘 接続詞の解き方を見る →

キョウ ・ Q1936

Staff should save their work often ___ the computer crashes.

答えを見る

正解: D) in case

'In case' means as a precaution.

📘 接続詞の解き方を見る →

カエデ ・ Q1730

___ the restaurant was busy, the service was excellent.

答えを見る

正解: B) Although

'Although' introduces a contrast.

📘 接続詞の解き方を見る →

カイ ・ Q1931

___ you need help, please ask a member of staff.

答えを見る

正解: C) If

'If' introduces a condition.

📘 接続詞の解き方を見る →

カエデ ・ Q1729

Ms. Ortega will not leave ___ all the guests have gone home.

答えを見る

正解: A) until

'Not ... until' means only after.

📘 接続詞の解き方を見る →

カイ ・ Q1835

Please lock the cabinet ___ you leave the office.

答えを見る

正解: C) before

'Before' orders two events.

📘 接続詞の解き方を見る →

カエデ ・ Q1728

The Holcombe chair is stylish ___ comfortable.

答えを見る

正解: D) and

'And' joins two positive qualities.

📘 接続詞の解き方を見る →

カイ ・ Q1834

___ it was late, the team kept working on the proposal.

答えを見る

正解: B) Although

'Although' introduces a contrast.

📘 接続詞の解き方を見る →

カエデ ・ Q1727

___ Mr. Silva finishes the report, he will send it to you.

答えを見る

正解: C) As soon as

'As soon as' means immediately after.

📘 接続詞の解き方を見る →

カイ ・ Q1833

The Lowry cafe is small, ___ it has excellent coffee.

答えを見る

正解: A) but

'But' introduces a contrast.

📘 接続詞の解き方を見る →

カエデ ・ Q1726

The Eastbury clinic is open late ___ many patients work during the day.

答えを見る

正解: B) because

'Because' gives the reason.

📘 接続詞の解き方を見る →

カイ ・ Q1832

Ms. Brandt could not attend, ___ she sent her assistant.

答えを見る

正解: D) so

'So' introduces a result.

📘 接続詞の解き方を見る →

キョウ ・ Q1836

Mr. Singh will attend the meeting ___ his flight is delayed.

答えを見る

正解: D) unless

'Unless' means 'if not'.

📘 接続詞の解き方を見る →

カエデ ・ Q1630

The event will be held indoors ___ the forecast calls for rain.

答えを見る

正解: B) since

'Since' can mean 'because'.

📘 接続詞の解き方を見る →

カイ ・ Q1831

The survey was short, ___ many people completed it.

答えを見る

正解: C) so

'So' introduces a result.

📘 接続詞の解き方を見る →

カエデ ・ Q1629

The Colby museum is free, ___ donations are welcome.

答えを見る

正解: A) but

'But' introduces a contrast.

📘 接続詞の解き方を見る →

カイ ・ Q1735

___ it snows or not, the Wexley market will open.

答えを見る

正解: C) Whether

'Whether ... or not' means regardless.

📘 接続詞の解き方を見る →

カエデ ・ Q1628

___ you have finished the survey, please return it to the front desk.

答えを見る

正解: D) When

'When' introduces the time of the action.

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カイ ・ Q1734

Mr. Hsu took notes ___ he would remember the details.

答えを見る

正解: B) so that

'So that' introduces a purpose.

📘 接続詞の解き方を見る →

カエデ ・ Q1627

Mr. Aziz will check the figures ___ Ms. Holm writes the summary.

答えを見る

正解: C) while

'While' introduces a simultaneous action.

📘 接続詞の解き方を見る →

カイ ・ Q1733

The Brockway report was long, ___ it was easy to read.

答えを見る

正解: A) yet

'Yet' introduces a surprising contrast.

📘 接続詞の解き方を見る →

カエデ ・ Q1626

The Burnside project was delayed ___ the permits arrived late.

答えを見る

正解: B) because

'Because' gives the reason.

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カイ ・ Q1732

Please turn off the lights ___ you leave the room.

答えを見る

正解: D) when

'When' introduces the time of the action.

📘 接続詞の解き方を見る →

キョウ ・ Q1736

The Ferris hotel is expensive, ___ it is always fully booked.

答えを見る

正解: D) but

'But' introduces a contrast.

📘 接続詞の解き方を見る →

カエデ ・ Q1530

___ the Fenwick contract is signed, we can order materials.

答えを見る

正解: B) Once

'Once' means 'as soon as'.

📘 接続詞の解き方を見る →

カイ ・ Q1731

The Fenner store will offer free delivery ___ the order exceeds $50.

答えを見る

正解: C) if

'If' introduces a condition.

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カエデ ・ Q1529

You can reach Mr. Ames by phone ___ by email.

答えを見る

正解: A) or

'Or' presents alternatives.

📘 接続詞の解き方を見る →

カイ ・ Q1635

Mr. Ruiz asked ___ the report could be finished by Friday.

答えを見る

正解: C) whether

'Whether' introduces an indirect yes/no question.

📘 接続詞の解き方を見る →

カエデ ・ Q1528

The Lomax printer is cheap, ___ it breaks down often.

答えを見る

正解: D) but

'But' introduces a contrast.

📘 接続詞の解き方を見る →

カイ ・ Q1634

___ the Nyberg store is small, it carries a wide range of products.

答えを見る

正解: B) Although

'Although' introduces a contrast.

📘 接続詞の解き方を見る →

カエデ ・ Q1527

___ Ms. Rahman was in Dubai, her assistant answered her calls.

答えを見る

正解: C) While

'While' introduces a clause about the same time.

📘 接続詞の解き方を見る →

カイ ・ Q1633

The Harwell cafe serves breakfast ___ lunch, but not dinner.

答えを見る

正解: A) and

'And' joins the two meals served.

📘 接続詞の解き方を見る →

カエデ ・ Q1526

The Pritchard store will close early today ___ it is a public holiday.

答えを見る

正解: B) because

'Because' gives the reason.

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カイ ・ Q1632

Please back up your files ___ the system is updated tonight.

答えを見る

正解: D) before

'Before' orders two events.

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キョウ ・ Q1636

Keep the door closed ___ the cold air does not escape.

答えを見る

正解: D) so that

'So that' introduces a purpose.

📘 接続詞の解き方を見る →

カエデ ・ Q1430

The Wexford plant closed early ___ a power outage.

答えを見る

正解: B) because of

'Because of' is followed by a noun phrase.

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カイ ・ Q1631

___ Ms. Ward approves the design, we cannot start production.

答えを見る

正解: C) Until

'Until' means before that time.

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カエデ ・ Q1429

Mr. Hale will give the presentation ___ his manager is unavailable.

答えを見る

正解: A) if

'If' introduces a condition.

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カイ ・ Q1535

Mr. Tate will lead the tour ___ Ms. Moss is unavailable.

答えを見る

正解: C) if

'If' introduces a condition.

📘 接続詞の解き方を見る →

カエデ ・ Q1428

Please sign the form ___ return it by Friday.

答えを見る

正解: D) and

'And' joins two instructions.

📘 接続詞の解き方を見る →

カイ ・ Q1534

___ the Harwood store is new, it already has loyal customers.

答えを見る

正解: B) Even though

'Even though' introduces a contrast.

📘 接続詞の解き方を見る →

カエデ ・ Q1427

___ Ms. Boyd joined the company, sales have doubled.

答えを見る

正解: C) Since

'Since' with the present perfect marks a starting point.

📘 接続詞の解き方を見る →

カイ ・ Q1533

Please wait here ___ your name is called.

答えを見る

正解: A) until

'Until' marks the end point.

📘 接続詞の解き方を見る →

カエデ ・ Q1426

The Delmar hotel is expensive, ___ its service is excellent.

答えを見る

正解: B) but

'But' introduces a contrast.

📘 接続詞の解き方を見る →

カイ ・ Q1532

The Bellweather cafe is small ___ cozy.

答えを見る

正解: D) but

'But' joins contrasting qualities.

📘 接続詞の解き方を見る →

キョウ ・ Q1536

The heating system was replaced ___ it was over thirty years old.

答えを見る

正解: D) as

'As' can mean 'because'.

📘 接続詞の解き方を見る →

カイ ・ Q1531

Ms. Kerr stayed late ___ she could finish the proposal.

答えを見る

正解: C) so that

'So that' introduces a purpose.

📘 接続詞の解き方を見る →

カイ ・ Q1435

Employees must wear helmets ___ they are on the construction site.

答えを見る

正解: C) whenever

'Whenever' means at any time that.

📘 接続詞の解き方を見る →

カイ ・ Q1434

The Alder park is popular with families ___ it has a large playground.

答えを見る

正解: B) since

'Since' can mean 'because'.

📘 接続詞の解き方を見る →

カイ ・ Q1433

You will receive a confirmation email ___ your order has shipped.

答えを見る

正解: A) once

'Once' means 'as soon as'.

📘 接続詞の解き方を見る →

カイ ・ Q1432

The contract must be signed ___ the work can begin.

答えを見る

正解: D) before

'Before' orders two events.

📘 接続詞の解き方を見る →

キョウ ・ Q1436

Ms. Lark could not decide ___ to accept the offer or not.

答えを見る

正解: D) whether

'Whether ... or not' introduces alternatives.

📘 接続詞の解き方を見る →

カイ ・ Q1431

___ the new printer is faster, it uses more ink.

答えを見る

正解: C) Although

'Although' introduces a contrast.

📘 接続詞の解き方を見る →

カイ ・ Q833

___ you attend in person or online, please register first.

答えを見る

正解: A) Whether

'Whether ... or' covers both alternatives.

📘 接続詞の解き方を見る →

カイ ・ Q832

The warranty applies ___ the product is used as directed.

答えを見る

正解: D) provided

'Provided' introduces a condition that must hold.

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カイ ・ Q831

Label the boxes clearly ___ they are easy to sort.

答えを見る

正解: C) so that

'So that' introduces a purpose clause with a subject and verb.

📘 接続詞の解き方を見る →

カエデ ・ Q526

___ the equipment arrives, we can begin testing.

答えを見る

正解: B) Once

'Once' introduces a clause meaning 'as soon as'.

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カイ ・ Q535

The office remained open ___ the power outage lasted three hours.

答えを見る

正解: C) even though

'Even though' takes a clause; the others take nouns.

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カイ ・ Q534

___ the new hires complete orientation, they will be assigned to teams.

答えを見る

正解: B) After

'After' introduces a time clause.

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カイ ・ Q533

We will proceed ___ the client agrees to the revised terms.

答えを見る

正解: A) if

'If' states the condition for proceeding.

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カイ ・ Q532

___ the manager approves the budget, we can hire two more staff.

答えを見る

正解: D) Once

'Once' means 'as soon as' before a clause.

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キョウ ・ Q536

Complete the form online ___ mail it to the address below.

答えを見る

正解: D) or

'Or' joins two alternative instructions.

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カイ ・ Q531

Please wait in the lobby ___ your name is called.

答えを見る

正解: C) until

'Until' marks the point at which the waiting ends.

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カエデ ・ Q430

___ the report was thorough, it lacked recent data.

答えを見る

正解: B) Although

'Although' introduces a contrasting clause.

📘 接続詞の解き方を見る →

カエデ ・ Q429

The equipment must be inspected ___ it is used for the first time.

答えを見る

正解: A) before

'Before' introduces a time clause.

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カエデ ・ Q428

___ you submit the form online or by mail, please keep a copy.

答えを見る

正解: D) Whether

'Whether ... or' covers both alternatives.

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カエデ ・ Q427

The store will remain open ___ the renovation is completed.

答えを見る

正解: C) until

'Until' can introduce a clause marking an end point.

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カエデ ・ Q426

___ the shipment is delayed again, we will switch suppliers.

答えを見る

正解: B) If

'If' introduces the condition that triggers the action.

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カイ ・ Q435

Submit the form by Friday, ___ your application will not be processed.

答えを見る

正解: C) or

'Or' introduces the consequence of not acting.

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カイ ・ Q434

The venue was chosen ___ it offers convenient parking.

答えを見る

正解: B) since

'Since' can mean 'because' before a clause.

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カイ ・ Q433

___ the software is updated, users may experience brief interruptions.

答えを見る

正解: A) When

'When' introduces a time clause.

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カイ ・ Q432

Employees may take the shuttle ___ they prefer to drive.

答えを見る

正解: D) unless

'Unless' means 'except if'.

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キョウ ・ Q436

___ sales continue to grow, the company plans to open two more branches.

答えを見る

正解: D) As long as

'As long as' states a continuing condition.

📘 接続詞の解き方を見る →

カイ ・ Q431

We hired two temporary staff ___ the workload had doubled.

答えを見る

正解: C) because

A clause follows, so the conjunction 'because' is required.

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カエデ ・ Q330

The flight was delayed ___ severe weather developed overnight.

答えを見る

正解: B) because

A full clause follows, so the conjunction 'because' is required.

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カエデ ・ Q329

___ the manager was traveling, her assistant handled all inquiries.

答えを見る

正解: A) While

'While' introduces a clause; 'during' would need a noun.

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カエデ ・ Q328

The warranty is void ___ the product is registered within 30 days.

答えを見る

正解: D) unless

'Unless' means 'if ... not' and takes a full clause.

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カエデ ・ Q327

Please arrive early ___ we can begin the session on time.

答えを見る

正解: C) so that

'So that' introduces a purpose clause with a subject and verb.

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カエデ ・ Q326

___ the budget was reduced, the project was completed on schedule.

答えを見る

正解: B) Although

'Although' introduces a contrasting clause.

📘 接続詞の解き方を見る →

カイ ・ Q335

Please keep a copy of the receipt ___ you need to return the item.

答えを見る

正解: C) in case

'In case' introduces a precaution.

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カイ ・ Q334

___ the new system was installed, processing times have decreased.

答えを見る

正解: B) Since

'Since' here introduces a time clause with the present perfect.

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カイ ・ Q333

___ the presentation ran long, the audience remained engaged.

答えを見る

正解: A) Even though

'Even though' introduces a real contrasting fact.

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カイ ・ Q332

We will notify you ___ the parts become available.

答えを見る

正解: D) as soon as

'As soon as' marks the moment an event happens.

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キョウ ・ Q336

The Osaka branch exceeded its target, ___ the Kobe branch fell short.

答えを見る

正解: D) whereas

'Whereas' directly contrasts two clauses.

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カイ ・ Q331

The committee has not decided ___ to renew the lease.

答えを見る

正解: C) whether

Only 'whether' can be followed directly by an infinitive.

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アオイ ・ Q60

Employees may not enter the laboratory ___ they wear protective equipment.

答えを見る

正解: A) unless

A condition meaning 'unless': unless.

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ミオ ・ Q99

___ the contract is signed, work on the project will begin immediately.

答えを見る

正解: A) Once

Meaning 'once': Once.

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リン ・ Q68

The board approved the budget ___ some members expressed concerns.

答えを見る

正解: A) even though

A clause follows, so the conjunction: even though.

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エミ ・ Q87

The event was postponed ___ the venue became unavailable.

答えを見る

正解: B) when

'When' introduces the time clause explaining why the event was postponed.

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エミ ・ Q86

The warranty covers repairs ___ the product is used as directed.

答えを見る

正解: A) provided

'Provided' means 'on condition that' -- introducing the condition for coverage.

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リン ・ Q65

___ the merger is finalized, the two companies will operate independently.

答えを見る

正解: A) Until

Meaning 'until': Until.

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カエデ ・ Q74

The instructions specify ___ the machine should be cleaned after each use.

答えを見る

正解: A) that

A complete clause follows, so the conjunction 'that'.

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リン ・ Q63

Ms. Romero has been with the firm ___ she graduated from university.

答えを見る

正解: B) since

A clause follows, marking a starting point: since.

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ショウ ・ Q70

The setlist was finalized ___ the sound check began.

答えを見る

正解: B) before

'Before' places the finalizing earlier than the sound check.

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ユウマ ・ Q30

The porch light was left on ___ late guests could find the house easily.

答えを見る

正解: B) so that

'So that' introduces the purpose -- leaving the light on so guests could find the house.

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ユイ ・ Q10

The delivery driver could not find the address ___ the directions were unclear.

答えを見る

正解: A) because

'Because' introduces the clause 'the directions were unclear'; 'because of' would need a noun phrase instead.

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ユイ ・ Q9

The proposal was approved ___ several members raised concerns about cost.

答えを見る

正解: D) even though

'Even though' takes a full clause ('several members raised concerns'); the other options are prepositions that would need a noun phrase instead.

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ミオ ・ Q49

The company has grown rapidly, ___ it now employs over five hundred people.

答えを見る

正解: A) and

Same-direction content connected with 'and'.

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カエデ ・ Q29

Please ensure that all invoices are approved ___ they are processed.

答えを見る

正解: A) before

Sequence of events: approval comes first, so 'before'.

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アオイ ・ Q9

The department director will announce the results ___ the meeting ends.

答えを見る

正解: A) as soon as

The blank is followed by a clause, so it needs the conjunction 'as soon as'.

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シオン ・ Q88

The silverware is polished ___ every event by the household staff.

答えを見る

正解: D) before

'Before' places the polishing earlier than each event.

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ハル ・ Q8

Visiting researchers must present identification ___ entering the reading room.

答えを見る

正解: D) before

'Before' introduces the time clause -- identification comes first, then entry.

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イツキ ・ Q77

The exhibit opens ___ the gallery completes its final lighting check.

答えを見る

正解: A) once

'Once' means 'as soon as' -- marking the point when the exhibit opens.

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ハル ・ Q7

The archive room remains locked ___ a staff member is present.

答えを見る

正解: C) although

'Although' introduces a concessive clause -- the room stays locked even though staff are present.

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ソラ ・ Q16

The venue will refund the deposit ___ the event is cancelled in writing.

答えを見る

正解: B) provided that

'Provided that' introduces the condition under which the deposit is refunded.

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ソラ ・ Q15

Ms. Kimura reviewed the contract carefully ___ signing it.

答えを見る

正解: A) before

'Before' places the review earlier than the signing.

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アオイ ・ Q5

The conference has been postponed ___ the severe weather conditions.

答えを見る

正解: C) because of

The blank is followed by a noun phrase, so it needs 'because of'.

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ソラ ・ Q14

The store will remain open late ___ the holiday shopping season begins.

答えを見る

正解: D) once

'Once' means 'as soon as' -- marking the point when the late hours begin.

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ヒナ ・ Q34

The technician will call you ___ he has diagnosed the problem.

答えを見る

正解: A) once

A clause follows, meaning 'once/as soon as': once.

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ハル ・ Q3

Students may borrow reference materials ___ they return them within a week.

答えを見る

正解: C) provided that

'Provided that' introduces the condition for borrowing -- returning items within a week.

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ソラ ・ Q13

The negotiation stalled ___ neither party would compromise on price.

答えを見る

正解: C) because

'Because' introduces the clause explaining why the negotiation stalled.

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ミオ ・ Q43

We cannot process your order ___ payment has been received.

答えを見る

正解: A) until

Paired with a negative, meaning 'not until': until.

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キョウ ・ Q92

The garage stays open late ___ a customer needs an urgent repair.

答えを見る

正解: D) whenever

'Whenever' means 'at any time that' -- covering every case a customer needs urgent repair.

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ハル ・ Q2

The library's new wing will open ___ renovations are complete.

答えを見る

正解: B) once

'Once' means 'as soon as' -- marking the point when the wing opens.

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ソラ ・ Q12

The technician inspected the printer ___ it kept jamming.

答えを見る

正解: B) because

'Because' introduces the clause 'it kept jamming', explaining why the technician inspected the printer.

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ソラ ・ Q11

Employees are welcome to work from home ___ their tasks do not require lab equipment.

答えを見る

正解: A) as long as

'As long as' means 'provided that' -- introducing the condition for working from home.

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ヒナ ・ Q31

Our production costs have decreased ___ we adopted the new process.

答えを見る

正解: A) since

A clause follows, expressing reason: 'since'.

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