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  • 更新 2022-09-03
  • 科目 英语
  • 题型 选择题
  • 难度 中等
  • 浏览 70

﹣ Sam, could you tell me something about Earth Hour?

﹣Sure. People usually turn offlights and keep them off for an hour.(  )

A.

switch off

B.

take off

C.

get off

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﹣Sam,couldyoutellmesomethingab