—When did the Shanghai Expo open? —_______May 1st, 2010.
#51247
A
In
B
On
C
At
D
By
推荐题目
—How does Tom go to school?—He goes to school ________.
#48537
A
by bus
B
on his bus
C
take a bus
D
by a bus
—Excuse me, Maria. Can I use your bike?—Sure. Here you are. But you must return it _____ time.
#46755
A
in
B
at
C
on
D
to
