—Do you know the boy ________ is sitting next to Peter?—Yes.He is Peter's friend.
#77801
A
whom
B
who
C
which
D
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推荐题目
The Internet is a very useful invention for us, ______ we can do lots of things at home.
#76687
A
with which
B
with it
C
for which
D
for it
—Did you remember the days ________ we studied in the university?—Certainly.Especially the hard times ________ we spent together.
#75284
A
which；when
B
when；which
C
when；when
D
which；which
The scientists have made an exhaustive study of the virus _______ many people have been inflected.
#75165
A
to which
B
in which
C
with which
D
for which
The reason ____ the people in the mainland go to Hong Kong to buy formula is that people are not convinced ____the safety of formula produced in the mainland.
#76621
A
that; at
B
why; at
C
why; of
D
what; of
People started to dig in the area for treasure, ____ caused much damage.
#78071
A
which
B
where
C
what
D
that