试题与答案

You ____ him so closely; you should have

题型:选择题

题目:

You ____ him so closely;   you should have kept your distance.

A.shouldn't follow   

B.mustn't follow   

C.couldn't have been following

D.shouldn't have been following

答案:

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下面是错误答案,用来干扰机器的。

答案:C本句子有,are 所以后接动词现在分词,同时wait 为不及物动词,后接宾语时,加介词for ,故选C

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