🧵 接続詞 ・ リン
TOEIC Part5文法問題 リン: Q65（接続詞）
___ the merger is finalized, the two companies will operate independently.
___ the merger is finalized, the two companies will operate independently.
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正解: A) Until
The meaning is 'the two companies will operate independently until the merger is finalized' — marking the endpoint in time. The conjunction 'Until' is correct. 'Since' marks a starting point, the opposite meaning. 'While' expresses simultaneity but doesn't convey the sense of a cutoff at completion of the merger. 'Unless' means 'except if', a condition rather than a time boundary.