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题目
题型:不详难度:来源:
-----Did Mary come to the party?
---I don’t know.She _____while I was out.
A.may have comeB.must have come
C.might comeD.could come

答案
A
解析

试题分析:这题考查情态动词的完成式的用法:从第一句话知道是指过去的事,从-I don’t know,知道是可能已经来了。用may have come,A项正确。
点评:情态动词的完成式有两种用法:一种是对过去情况的推测,一种是对过去的虚拟,做题时要结合上下文来判断。还要注意情态动词的语气。
核心考点
试题【-----Did Mary come to the party?---I don’t know.She _____while I was out.A.may h】;主要考察你对虚拟语气等知识点的理解。[详细]
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