—When did the Shanghai Expo open? —_______May 1st, 2010.
#51247
A
In
B
On
C
At
D
By
推荐题目
Students are encouraged to share their learning experience__________ their classmates.
#45841
A
to
B
in
C
at
D
with
—When did the Shanghai Expo open? —_______May 1st, 2010.
Students are encouraged to share their learning experience__________ their classmates.