He must have finished the work by the end of last month, he?A. mustntB. hadntC. didnt

发布时间：2020-08-17 13:56:30

He must have finished the work by the end of last month,      he?
A. mustn't
B. hadn't
C. didn't
D. hasn't

网友回答

A. mustn't
(答案→)B. hadn't
C. didn't
D. hasn't
解析：情态动词must在此表示推测,反意疑问句是将must去掉,因句中有by the end of last month,故用过去完成时,反意疑问句也用hadn't来构成。
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