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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
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--- Had we been more careful, the accident might not have happened.
--- But we _____ at that time.

A.hadn’t B.didn’t C.weren’t D.might not
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Hadwebeenmorecareful,theaccide