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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1771

Every possible means ________, but it seems that nothing will prevent the situation from getting worse.

A.has tried B.have tried
C.has been tried D.have been tried
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Everypossiblemeans,butitseemst