_____ is known to everybody, the moon travels round the earth once every month.
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A
It
B
As
C
That
D
What
推荐题目
The man remained __________ he was and waited for his wife who was shopping in the market.
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A
what
B
how
C
who
D
where
The teacher left word with our monitor _____ she would explain the problem again next time.
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A
who
B
which
C
as
D
that
Peter was so excited he received an invitation from his friend to visit Chongqing.
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A
where
B
that
C
when
D
why
The policy of the mainland is very clear and straightforward，and the key problem is ______ the leaders of Taiwan will accept it.
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A
that
B
how
C
why
D
whether