We should consider the students’ request _____ the school library provide more books on popular science．
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that
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when
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which
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where
推荐题目
(2014·山西部分重点高中高三联考)Mrs Black had such a wonderful time________she visited her friends in Sydney last year.
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when
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that
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which
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as
I thought I would be punished for the broken glasses ________ I ended up being praised for my honesty.
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and
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or
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but
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so
They are putting too much carbon dioxide into the atmosphere, ______ prevents heat from escaping from the earth into space.
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what
B
that
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which
D
who