问题 选择题

It ________ nearly two weeks ______ I had received his letter.

A.is, that

B.was, that

C.is since

D.was, since

答案

答案:D

since,for作为连词,引导时间状语(从句)如果谓语动词是延续性的一般过去时,其表达的含义是"从这个动作结束以来",恰好和动词的词义相反,具有否定的含义;如果谓语动词是非延续性的一般过去时,其表达的含义是"从这个动作开始以来",恰好和动词的词义一致,具有肯定的含义

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