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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1666

The new suspension bridge __________ by the end of last month.

A.has been designed B.had been designed
C.was designed D.would be designed
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Thenewsuspensionbridgebytheend