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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
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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
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31.Theroomisinaterriblemess;it