It was in the lab________was taken charg
问题:
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
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