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 We have sweaters     all colors      $ 50 each.
#51199
A
on/at
B
in/for
C
on/for
D
at/at
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His friends go to Beidaihe by train _______vacation every year.
#48849
A
at
B
of
C
on
D
in
My friend Henry was born        the morning of June 10, 1997.
#47998
A
in
B
on
C
at
D
for
The robber was caught by two men ______ police uniform _________.
#51266
A
in; at the once
B
in; at once
C
on,; at the once
D
on; at once
—What’s your speech       , Dr. Smith? —Tomorrow you will get it.
#48917
A
by
B
of
C
from
D
on
－Where did you go _____ the morning of April 6?－I didn’t come to the office _____ the meeting was over.
#49484
A
in, when
B
at, unless
C
on, until
D
to, though