The old professor has three sons，________are doctors.
#76978
A
all of them
B
all of whom
C
all of that
D
all of which
推荐题目
—Could we complete the task according to the schedule?—I doubt that．The problem remains _____ we can get financial aid from the government．
#78014
A
that
B
when
C
why
D
where
It is impossible to cooperate with a person ________ methods are completely opposed to your own.
#75412
A
who
B
whom
C
whose
D
whoever
With the development of agriculture, the people ________ village I taught are now living a happy life.
#75314
A
in whose
B
whose
C
in which
D
which