She brought with her three friends, none of _________ I had ever met before.
#75189
A
them
B
who
C
these
D
whom
推荐题目
The school has developed an online system students can choose their own teachers.
#76192
A
which
B
that
C
whom
D
where
Mr.Smith is the only one of those foreigners who ______ in China．
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A
work
B
is working
C
are working
D
had working
In English class, our teacher often creates an environment _____________ we are given the opportunity to solve problems ourselves.
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A
when
B
which
C
where
D
that