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I posted a book to her three weeks ago. She have received it.A.must B.shouldC.might D.could

编辑:chaxungu时间:2026-04-27 02:47:29分类:高中英语题库

【题目】I posted a book to her three weeks ago. She________have received it.

A.must

B.should

C.might

D.could

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【答案】A

【解析】因为书是三周前寄出的,故她肯定已经收到了。must have done表示肯定的推测,用于肯定句中。