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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1388

His failure in the experiment suggested that he _______ his teacher’s proper instructions.

A.should not have followed B.should not follow
C.mustn’t have followed D.hadn’t followed
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Hisfailureintheexperimentsugge