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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2032

Zhengzhou Subway Line No.1 ___________ last year. It has eased(缓解)the traffic pressure greatly.

A.completed B.will be completed
C.was completed D.has completed
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ZhengzhouSubwayLineNo.1lastyea