What are you doing       vacation?
#47971
A
in
B
on
C
at
D
for
推荐题目
He wants to play ________ World Cup.
#50515
A
in the next
B
in next
C
on the next
D
on next
The lake lies _____ the two villages.
#48073
A
at
B
in
C
between
D
among
He sat down       a computer.
#48133
A
in the front of
B
in front of
C
in front
D
front of