The doctor the farmer sent his son is well-known in the field.
#75436
A
by whom
B
at whom
C
to whom
D
for whom
推荐题目
I have gone through a hard time, ______ I worked without food and money.
#77160
A
which
B
where
C
when
D
that
The reason______ she failed to go to the party puzzled all of the people present.
#76719
A
what
B
why
C
as
D
which
There are many things in different areas ________ we can do to reduce the possible dangers of AIDS.
#76710
A
that
B
there
C
what
D
where
Without facts, we cannot form a worthwhile opinion for we need to have a factual knowledge ________ our thinking.
#77320
A
which to base on
B
which to be based on
C
on which to be based
D
on which to base