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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1279

It was in the lab ______ was taken charge of by Professor Harris _______ they did the experiment.

A.which , that B.that, where C.whom, that D.which, where
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Itwasinthelabwastakenchargeofb