The companies are working together to create _________ they hope will be the best means of transport in the 21st century.
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A
which
B
that
C
what
D
who
推荐题目
After the war, a new school building was put up ______there had once been a theatre.
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A
when
B
in which
C
the place where
D
where
The new research center will be set up was a wasteland 20 year ago.
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A
in what
B
where
C
in which
D
there
Their problem today is somewhat similar to _____ they faced many years ago.
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A
that
B
which
C
that which
D
it
After five years of preparation, Shanghai presented the world____many said was the greatest Special Olympics.
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A
when
B
what
C
where
D
Which