--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 know the teacher ________long hair?
#50268
A
has
B
have
C
with
D
having
________the end of the story, the main character______.
#46275
A
In, dead
B
At, was die
C
To, was dead
D
At, died