、The virtues of thrift（节俭）and hard work is vital for everyone, is often the case in any society.
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A
as
B
that
C
when
D
where
推荐题目
In our class there are 73 students, ____ half wear glasses.
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A
in whom
B
of them
C
in them
D
of whom
I’ll spend my holiday in Qinghai, _____ lies in the north of China.
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A
who
B
which
C
where
D
that
I joined a club while at college, _______ members were all literary lovers.
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A
whose
B
where
C
what
D
which
In our factory there are 2,000 workers, two thirds of _______ are women.
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A
them
B
which
C
whom
D
who
There are so many tall trees in the forest,______________.
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A
some of them measures over 50 meters
B
some of which measuring over 50 meters
C
some of them measuring over 50 meters
D
some of which measures over 50 meters