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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1131

The teacher told us that everyone has an important role ________in protecting the earth from________.

A.to play; to pollute B.to be played; to be polluted
C.to play; being polluted D.to be played; being polluted
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Theteachertoldusthateveryoneha