问题
选择题
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
答案
答案：B
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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
答案：B