—Did Mary come to the party? —I don't know.She__while I was out.

—Did Mary come to the party? —I don't know.She__while I was out.
A.might have come B.might come
为什么不能选B
英语人气:905 ℃时间:2019-08-17 23:17:47
优质解答
对过去进行推测,用might have gone
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