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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 719

 Only in this way, directed by the teacher, ______work out the problem the day before.

A.had they B.they could C.could they D.did they
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Onlyinthisway,directedbythetea