--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
It’s selfish ________ him ________ the cakes with others.
#49473
A
for; to share
B
of; not share
C
of; to not share
D
of; not to share
Simon is willing to help others _________ with their English.
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A
for need
B
in need
C
of need
D
on need