🧵 接続詞 ・ リン
TOEIC Part5文法問題 リン: Q63（接続詞）
Ms. Romero has been with the firm ___ she graduated from university.
Ms. Romero has been with the firm ___ she graduated from university.
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正解: B) since
What follows the blank is the clause 'she graduated from university', expressing 'ever since graduating'. The conjunction 'since' is correct, and it pairs naturally with the present perfect 'has been'. 'For' marks a length of time and doesn't take a clause. 'During' is a preposition. 'While' means 'during the time that' (simultaneity) and doesn't mark a starting point.