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2000字范文 > The room is in a terrible mess; it have been cleaned.A. mustn’tBcan’tC. shouldn’tD. wou

The room is in a terrible mess; it have been cleaned.A. mustn’tBcan’tC. shouldn’tD. wou

时间:2022-03-29 18:31:06

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The room is in a terrible mess; it have been cleaned.A. mustn’tBcan’tC. shouldn’tD. wou

问题补充:

The room is in a terrible mess; it have been cleaned.

A. mustn’t

Bcan’t

C. shouldn’t

D. wouldn’t

答案:

A. mustn’t

(答案→)B. can’t

C. shouldn’t

D. wouldn’t

解析:考查情态动词用法。没有mustn’t have done 的结构,故排除A。shouldn’t have done 本不应该做某事,实际上却做了;can’t/couldn’t have done不可能做了某事,表示对过去肯定的推测;句意:房间乱七八糟。不可能打扫了。故B正确。

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