What are you doing _____ vacation?
#48594
A
for
B
in
C
on
D
at
推荐题目
 We have a house ____ a small garden.
#48906
A
there is
B
has
C
with
D
of
We should be strict _______ ourselves ______ our work.
#50504
A
in, with
B
with, in
C
with, on
D
on, with