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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1328

He says all _______ tried their best and that all that can be done _______ been done.

A.has, has B.have, have C.have, has D.has, have
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Hesaysalltriedtheirbestandthat