_____ is known to us all, a skill can only be acquired through hard work.
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A
It
B
As
C
What
D
That
推荐题目
The old pictures bring them to the days ______they spent together, ____life was hard but happy.
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A
when, whose
B
which, whose
C
which, when
D
when, which
My neighbors used to give me a hand in time of trouble, _______ was very kind of them.
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A
it
B
who
C
that
D
which
Life is like a long race ______ we compete with others to go beyond ourselves.
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A
why
B
what
C
that
D
where
He has made another wonderful discovery, _____ I think is of great importance to science.
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A
which
B
what
C
when
D
that