We should go to school at 8:00 o'clock _________school mornings．
#46904
A
on
B
in
C
at
D
of
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--When did the World Exposition(世博会) in Shanghai begin? --The Expo began ________ May 1, 2010.
#49122
A
in
B
on
C
at
D
by
Perhaps more people will travel in our city__________in the future.
#46858
A
in taxi
B
by the taxi
C
to the taxi
D
by taxi
–How do you learn English so well? –____ chatting with my uncle in America online.
#50180
A
For
B
By
C
In
D
With