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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1307


As we all know, he has regretted wasting the precious time when he         studied hard playing computer games at school.

A.should have B.would have C.might have D.must have
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Asweallknow,hehasregrettedwast