________ is known to everybody, Taiwan is a part of China. We must unify it.
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A
It
B
As
C
Which
D
What
推荐题目
The growing speed of a plant is influenced by a number of factors，________ are beyond our control.
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A
most of them
B
most of which
C
most of what
D
most of that
One generation plants the trees under shade another generation rests.
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A
which
B
where
C
whose
D
what
"Who Moved My Cheese?", ____________ is a best-selling book, is written by Spencer Johnson.
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A
which
B
that
C
it
D
what
The river______ are covered with trees is polluted.
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A
of which the banks
B
whose banks
C
the banks of which
D
A,B,C are right