The question______new measures should be taken to control the terrible air pollution is______puzzles scientists a lot.
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A
that; what
B
which; that
C
what; what
D
which; that
推荐题目
. It was the hardship _____ he experienced as a young man _____ made him what he is today.
#70767
A
that; that
B
that; which
C
which; who
D
that; who
He finally bought several books by Tom, _____ is one.
#74036
A
which of them
B
which of whose
C
of which this
D
any of them
Whenever I go to Beijing, ____ is quite frequent, I will go to visit the Great Wall.
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A
where
B
which
C
as it
D
it
Stephen Hawking has expressed his opinion ___ humans might one day be able to make spaceships capable of such speeds that time on board would slow down．
#69972
A
that
B
whom
C
which
D
what
A big earthquake broke out in Japan on March 11th 2011, _________ in many deaths and injuries.
#68365
A
resulting
B
having resulted
C
resulted
D
to result