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
Nowadays，it is common to see people staring at their mobile phones instead of reading a real book，＿＿＿＿＿＿many experts are worried．
#75642
A
when
B
for which
C
where
D
about which
Up to now, the poet has written eight poems, three ___ are about American country life.
#77546
A
of them
B
in them
C
of whom
D
of which
Rock- climbing is a breathtaking sport， courage plays an important role.
#75364
A
which
B
whose
C
where
D
when
We shouldn’t spend our money testing so many people, most of ___are healthy.
#77903
A
whom
B
what
C
which
D
that
Culture shock is a feeling____ most travellers experience in a foreign country____ they find the culture is quite different from that of their own.
#78249
A
that; which
B
which; that
C
which; where
D
when; where