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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1066

After the explosion, every means __________ prevent the river from __________.

A.is used to; polluting
B.are used to; polluting
C.has been used to; being polluted
D.are used to; being polluted
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Aftertheexplosion,everymeanspr