The smog arrived in the Yangtze River Delta region on Nov．30，_________the air quality in 1 2 cities out of 25 was rated as severely polluted by Dec．1．
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A
where
B
when
C
which
D
what
推荐题目
It’s based on the idea _____ all people are treated equal, _____ is accepted.
#77889
A
that ; that
B
which ; which
C
which ; when
D
that ; which
Was it her fluent English at the job interview _______ impressed the manager?
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A
which
B
what
C
who
D
that
International situation is currently undergoing great changes ________ UNESCO plays an irreplaceable role in promoting international cooperation.
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A
which
B
what
C
where
D
that
_____ is known to us all, a skill can only be acquired through hard work.
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A
It
B
As
C
What
D
That
There will be plenty of other new jobs, we probably can’t even guess.
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A
some of them
B
some of which
C
some of that
D
some of what