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
People who have studied ancient instruments are hoping to learn more about the culture that ______ this ancient flute.
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A
produce
B
produced
C
is producing
D
was produced
The library from __________we borrow books will be rebuilt next year.
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A
that
B
which
C
where
D
whom
The sun heats the earth, ___________ is very important to living things.
#77341
A
that
B
what
C
which
D
where
Our new partnership with France Telecom is really a win-win situation _____ both sides benefit a great deal.
#77766
A
which
B
that
C
where
D
what
Most of my friends shop at the stores _____ the goods are very cheap.
#75170
A
which
B
where
C
whose
D
Why