In the survey they listed twelve kinds of food _______would affect the work of the brain．
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A
which the experts believed
B
that were believed
C
the experts believed that
D
the experts believed
推荐题目
.In the dark street, there wasn’t a single person, _______ she could turn for help.
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A
that
B
who
C
fromwhom
D
towhom
With the development of science and technology，there is no doubt_____Chineseastronauts will land on the moon in the near future.
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A
whether
B
that
C
what
D
which
Whenever his mother spoke to him, ____ was fairly often, he would talk on and on without giving her a chance to speak.
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A
that
B
what
C
which
D
who
Look out! Don’t get too close to the house________ roof is under repair.
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A
which
B
its
C
whose
D
who