问题 选择题

--- I had thought he would be nervous in this speech competition, but he turned out to be calm.

--- He        quite enough preparation for it.

A.should do

B.must do

C.should have done

D.must have done

答案

答案:D

题目分析:考查情态动词。句意:——我本以为他在演讲比赛中会紧张,但结果他很平静。——他一定是准备得相当充分。must+ have done表示对过去的肯定的推测,意思是“肯定”,should have done 本应该做某事而实际没做。

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