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
He must have finished the work by the end of last month, he?A. mustntB. hadntC. didnt
答案:2 悬赏:40 手机版
解决时间 2021-01-03 18:27
- 提问者网友：沦陷
- 2021-01-03 13:00
最佳答案
- 五星知识达人网友：雾月
- 2021-01-03 13:25
A. mustn't(答案→)B. hadn'tC. didn'tD. 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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- 1楼网友：封刀令
- 2021-01-03 14:40
感谢回答，我学习了
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