题目内容
It was in the lab ________ was in the charge of Professor Zhang ________ they did the experiment.
[ ]
A.where; that
B.which; where
C.that; where
D.which; that
答案:D
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题目内容
It was in the lab ________ was in the charge of Professor Zhang ________ they did the experiment.
A.where; that
B.which; where
C.that; where
D.which; that