Those were the graduate assistants ______ to do the research work in the lab.
#73726
A
to whom it was their responsibility
B
whose responsibility there was
C
whose responsibility was
D
of whom with the responsibility
推荐题目
—Could you do me a favor?—It depends on _______ it is. 
#72185
A
which
B
whichever
C
what
D
whatever
You must be careful when ___ on the highway.
#67834
A
you driving
B
are driving
C
driving
D
you were driving
By using ears one can tell the direction ____ a sound comes.
#73198
A
in which
B
from which
C
with which
D
through which