_______ is known to everybody that 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
After ten years, she changed a lot and looked different from _______ she used to be.
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A
that
B
whom
C
what
D
who
Students shouldn’t be given so difficult a problem ______they can not work out.
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A
that
B
which
C
while
D
as
The reason _____ he explained is ___ she was ill.
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A
that , that
B
which , that
C
why,because
D
why, that
Can you make sure ______the gold ring?
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A
where Alice had put
B
where had Alice put
C
where Alice has put
D
where has Alice put