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
.The place _____ the bridge is supposed to be built should be _____ the cross-river traffic is the heaviest.
#77584
A
which; where.
B
which; in which.
C
at which; which..
D
at which; where.
It was in the lab ______ was newly built ______ they carried out the experiment.
#75701
A
that; which
B
that; that
C
where; that
D
which; where
---Where did you first meet your boyfriend?---It was in the department store ______ he worked.
#77777
A
which
B
that
C
what
D
where
The school ________ Mr. White teaches English is a famous one, _________ was set up 100 years ago.
#75660
A
where; which
B
which; in which
C
where; that
D
which; where
Last month 3 people got injured in a gas explosion, has not been discovered yet.
#75905
A
whose cause
B
the cause of that
C
which cause
D
the cause