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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 961

Tom _____ full marks, but he was too careless and made a spelling mistake.

A.could gain B.could have gained C.must have gained D.must gain
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Tomfullmarks,buthewastoocarele