Some volunteers from Beijing arrived in Shanghai _____ April 29 to work for the World Expo.
#51365
A
on
B
at
C
of
D
to
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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
—Do you like doing sports , Joe?—Of course. We can’t keep healthy_____ taking enough exercise.
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A
without
B
by
C
for
D
With