選A. 表猜測(cè),因?yàn)橐寻l(fā)生,所以用may/might +have done
我不知道,她或許來(lái)過(guò).（我自己也不是很有把握）
—Did Mary come to the party?—I don't know.She__while I was out.A.might have come B.might come
—Did Mary come to the party?—I don't know.She__while I was out.A.might have come B.might come
為什么是A不是B
為什么是A不是B
英語(yǔ)人氣：421 ℃時(shí)間：2019-08-20 09:29:24
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