--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
推荐题目
---  do you improve your listening?---I improve it  listening to tapes.
#47456
A
How; with
B
What; by
C
How; by
D
What; with
He will come here _______5:00 _________6:00 this afternoon.
#48581
A
among; and
B
between; and
C
from; to
D
among; or
Hepburn won an Oscar ______ Best Actress ______ her role ______ the film Roman Holiday.   
#46268
A
of; for; in
B
of; of; for
C
for; of; in
D
for; for; in