Before I set out on my journey, my mother told me everything ________ I should pay attention to.
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A
where
B
what
C
how
D
that
推荐题目
It’s common sense that in summer people like to seek shade the air is cooler.
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A
in where
B
in which
C
where
D
the place where
International situation is currently undergoing great changes ________ UNESCO plays an irreplaceable role in promoting international cooperation.
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A
which
B
what
C
where
D
that
The expert’s theory, _____ my opinions were based, proved right in the end.
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A
on which
B
whom
C
for which
D
that