She brought with her three friends，none of ________ I had ever met before.
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A
them
B
who
C
whom
D
these
推荐题目
We attend lectures in the school lecture hall at weekend ____ seats more than 800 students.
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A
which
B
whose
C
where
D
when
Bears often hide themselves in places __________ can’t be found by hunters.
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A
in which
B
where
C
that
D
不填
The science of computer, _______rapid progress has been made in recent years, is the most important of all science.
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A
which
B
with which
C
in which
D
to which
Occasions are rare _____________ I can spend a whole day with my daughter.
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A
that
B
where
C
when
D
which