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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1160

______ these pictures, I couldn't help thinking of those days when I was in Beijing and ______ from the top of a thirty-storeyed building, Beijing looks more beautiful.

A.Seeing; seen B.Seen; seeing
C.Seeing; seeing D.Seen; seen
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thesepictures,Icouldnthelpthin