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I last night but I went to see a film instead. A. must have studied B. should ha

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I last night but I went to see a film instead. A. must have studied B. should ha

I________ last night but I went to see a film instead.

A.must have studied

B.should have studied

C.might study

D. would study

 

试题答案

答案:B

解析:
考查情态动词。should have done说明某事该做而未做。

 

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