The farmer was very thankful to the doctor _________ saved his son．
#42762
A
whom
B
which
C
who
D
whose
推荐题目
At last, the thief handed everything ______ he had stolen to the police.
#42940
A
which
B
what
C
that
D
who
I hate people _________don’t help others when they are in trouble.
#43167
A
who
B
which
C
whose
D
where
The Greens bought a big house _______ has a swimming pool and a garden.
#43111
A
where
B
why
C
when
D
that