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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1923

It is a surprise for me to see that these old-fashioned machines are still ________ in the big city.

A.in order B.in use C.in danger D.in difficulty
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Itisasurpriseformetoseethatthe