题目内容
It was in the lab________ was taken charge of by Johnson ________ they did the experiment.
A.where;which B.which;that C.which;which D.that;which
B
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题目内容
It was in the lab________ was taken charge of by Johnson ________ they did the experiment.
A.where;which B.which;that C.which;which D.that;which
B