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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 225

. ------ The door was open.
----- It ___________open. I had locked it myself and the key was in my pocket.

A.can’t be B.mustn’t be C.can’t have been D.mustn’t have been
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.Thedoorwasopen.Itopen.Ihadloc