--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
He’s got a birthday cake____ his ____ birthday.
#48046
A
on ，thirteen
B
for ,thirteen
C
on ,thirteenth
D
in ,thirteen
----I’m looking forward____taking a holiday in Hainan. ----So am I. It’s great to be____holiday there.
#49622
A
for, on
B
to, at
C
to, on
D
for, at
--The twin sisters look the same.--I think so. Even their parents call them ____________.
#46169
A
by mistake
B
by accident
C
by the way
D
by the time
It is selfless ________ the doctor to devote all the time he had ________ for the patients.
#46486
A
for; to care
B
of; to care
C
for; to caring
D
of; to caring