Our maths teacher set so difficult an examination problem ______ none of us worked out.
#76873
A
which
B
that
C
as
D
so that
推荐题目
Nowadays people are more concerned about the environment ___ they live.
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A
what
B
which
C
when
D
where
Any habit ______ slows down your silent reading to the speed at which you speak, or read aloud, is inefficient.
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A
which
B
/
C
that
D
who
Beijing took steps to limit the kinds of high-risk of borrowing money from the banks that can create the high price of housing, ______ happened in the United States．
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A
a．as
B
that
C
how
D
while
Is this hotel ________you said we were to stay in your letter?
#78131
A
where
B
the one
C
which
D
in which