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All the kids had a lot of fun ________ Children’s Day. They sang and danced happily all day. 
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A
in
B
at
C
of
D
on
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It’s not good for young students to stay ____ late at night.
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off
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in
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out
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up
Mom ,can I go to play soccer with Jim?It ’s up _______ you .
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with
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for
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to
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of
 What did the teacher talk __________ at the parents’ meeting?
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with
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to
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The robber was guilty ___________ jewelry crimes in the past.
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of
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from
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off
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－ It seems to me traveling by plane is dangerous.－ I don’t think so. ______ planes have the best safety records.
#50816
A
At most
B
At least
C
At last
D
At present