Living in the mountain area has its problems , _____ obtaining water is a big problem.
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A
of which
B
for what
C
as
D
whose
推荐题目
They promised to develop a software package by the end of this year, ________ they might have.
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A
however difficult
B
how difficult
C
whatever difficulty
D
what difficulty
The old town has narrow streets and small houses _____are built close to each other.
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A
they
B
where
C
what
D
that
These newly-produced cars are sold at so low a price_____people expected.
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A
like
B
as
C
that
D
which