The room is in a terrible mess; it have been cleaned.A. can’tB. mustn’tC. shouldn’tD. woul

发布时间:2020-08-16 21:35:03

The room is in a terrible mess; it     have been cleaned.
A. can’t
B. mustn’t
C. shouldn’t
D. wouldn’t

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(答案→)A. can’t
B. mustn’t
C. shouldn’t
D. wouldn’t
解析:考察情态动词,can't 不可能 mustn't 禁止 shouldn't 不应当 wouldn't 不会
句意为,这个房间乱七八糟,不可能已经打扫过的。
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