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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 730

______around the university, we then were taken to a building, ______ many scientists worked.

A.Showing; where B.Having been shown; where
C.Having shown; which D.Being shown; that
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aroundtheuniversity,wethenwere