题目内容
There was plenty of time. She ___.
A. mustn't have hurried B. couldn't have hurried
C. must not hurry D. needn't have hurried
D
解析:
needn't have done. 意为"本不必",即已经做了某事,而时实际上不必要。Mustn't have done 用法不正确,对过去发生的事情进行否定性推断应为couldn't have done, "不可能已经"。must not do 不可以(用于一般现在时)
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