摘要： The room is in a terrible mess; it cleaned. A. can’t have been B. couldn’t be C. may have been D. would be
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31. The room is in a terrible mess; it _______ cleaned.
A. can’t have been B. shouldn’t have been
C. mustn’t have been D. wouldn’t have been
查看习题详情和答案>>The room is in a terrible mess; it __________ cleaned.
A. can’t have been B. couldn’t be C. may have been D. would be
查看习题详情和答案>>The room is in a terrible mess; it _______ cleaned.
A. can’t have been B. couldn’t be C. may have been D. would be
查看习题详情和答案>>