题目内容
It was in the lab ________ was taken charge of by Pro.Harris ________ they did the experiment.
[ ]
A.
which; where
B.
that; which
C.
whom; that
D.
which; that
答案:D
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题目内容
It was in the lab ________ was taken charge of by Pro.Harris ________ they did the experiment.
which; where
that; which
whom; that
which; that