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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1983

But for their common interests, they_____ cooperated so smoothly in the investigation of the case.

A.could have B.will not have C.could not have D.have not
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Butfortheircommoninterests,the