_____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.
#80556
A
While
B
As
C
If
D
Since
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You have failed two tests. You’d better start working harder, ____ you won’t pass the course.
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A
and
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so
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but
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or
I can’t find a proper dictionary _______ I can turn in my study.
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A
to which
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up which
C
on which
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for which
One advantage of playing the guitar is it can give you a great deal of pleasure.
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A
how
B
why
C
when
D
that