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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 244

It was in the school ____ he had studied ____ he began the important experiment.

A.that; where B.in which; which
C.where; that D.where; in which
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相关知识点

Itwasintheschoolhehadstudiedhe