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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 303

Our teachers are very friendly to us.  We _____  friends since three years ago.
A. have been       B. have become     C. would be

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Ourteachersareveryfriendlytous