The volunteers will visit the primary school next Monday ,_______all the students are children of migrant workers,
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A
which
B
who
C
when
D
where
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The days _______ we spent together on the farm are not easy _________.
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A
when, to forget
B
which, to be forgotten
C
that, to forget
D
/, to be forgotten
The school ________I studied for only two years was three kilometers away.
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A
what
B
that
C
where
D
which
The Voice of China has set up a stage _______ some people can achieve their dreams.
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A
which
B
when
C
that
D
where
There are many good stories about the Long March, _________this is the most instructive.
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A
of which
B
in which
C
from which
D
by which
The scientists have made an exhaustive study of the virus _______ many people have been inflected.
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A
to which
B
in which
C
with which
D
for which