It was in the lab ______ was taken char
题型:选择题
问题:
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
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