中文谷－Haveyoubeenacquaintedwitheachotherforlong?－Notverylong...
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問題詳情：
－Have you been acquainted with each other for long?
－Not very long, ____________ we started to work in the company.
A. after B. before C. when D. since
【回答】
D
知識點：連詞
題型：選擇題
標籤：
Notverylong
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