--Do you want one way ________ round-trip?--Round -trip. We'll return __________December 8th.
#49527
A
or; in
B
and; in
C
or; on
D
and; on
推荐题目
The cleaners must prevent the street ______.
#48619
A
getting dirty
B
from dirty
C
from get dirty
D
from getting dirty
There are many trees ____ our house.
#49785
A
in front of
B
in the front of
C
behind of
D
at the back