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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 235

The building_______ be a factory, but now it_______ a shopping centre.

A.used to; is used as B.is used to; used to be
C.used to; used to be D.is used to; is used as
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Thebuildingbeafactory,butnowit