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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 547

You _____keep the water running all the time, because you’re wasting water.

A.ought to B.ought not
C.not ought D.ought not to
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Youkeepthewaterrunningalltheti