题目内容
It was in the lab______ was taken charge of by Professor Zhang ____ they did the experiment.
A.where, that B.which, where C.that, where D.which, that
【答案】
D
【解析】略
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题目内容
It was in the lab______ was taken charge of by Professor Zhang ____ they did the experiment.
A.where, that B.which, where C.that, where D.which, that
D
【解析】略