🧵 接続詞 ・ ミオ
TOEIC Part5文法問題 ミオ: Q99（接続詞）
___ the contract is signed, work on the project will begin immediately.
___ the contract is signed, work on the project will begin immediately.
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正解: A) Once
What follows the blank is the clause 'the contract is signed'. The conjunction 'Once' (meaning 'as soon as/once') fits, introducing a clause. 'During' and 'despite' are prepositions and can't take a clause. 'Whether' means 'whether or not' and doesn't fit the meaning of starting work upon signing.