Li Jianrou won China’s first gold medal _________ February 13, 2014 at the 2014 Sochi Winter Olympics in Russia. 
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A
at
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by
C
in
D
on
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The actor is so tall__________ brown hair.
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A
has
B
with a
C
in
D
with
What were you doing     the rainstorm?
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at that time
B
in time
C
at the time of
D
when