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Some people won’t realize the importance of their health _____they have lost it.
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for
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but
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until
D
as
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 Kate will arrive          Harbin         the morning of July 5 by plane.
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to, on
B
in, on
C
in, in
D
at, in
Behind bad luck comes good luck. So something good happened _____ you..
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in
B
to
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for
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There_____many people in Hong Kong______vacation every summer.
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is;on
B
are;at
C
are;on
D
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Could you help me          my homework？  
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with
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to
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for
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―Tomorrow is your birthday. Here is a present for you.―It is kind       you to remember my birthday.
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for
B
to
C
of
D
with