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—Did Mary come to the party?—I don't know.She__while I was out.A.might have come B.might come为什么是A不是B

分类: 作业答案 • 2021-12-19 17:10:02
问题描述：

—Did Mary come to the party?—I don't know.She__while I was out.A.might have come B.might come
为什么是A不是B

答

选A. 表猜测,因为已发生,所以用may/might +have done
我不知道,她或许来过.（我自己也不是很有把握）

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