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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 757

What we all know is that the old scientist, _______ life was hard in the past, still works very hard in his eighties.

A.for whom B.for him
C.for whose D.for which
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Whatweallknowisthattheoldscien