Every evening the students go to bed at 10:30______ and the lights are turned off.
#25988
A
at once
B
on purpose
C
at present
D
as usual
推荐题目
The study you have been making________the ancient Chinese culture is an interesting job.
#28279
A
to
B
for
C
of
D
from
Our refrigerator is ________ again.We'd better buy a new one instead of repairing it.
#25374
A
in order
B
by order
C
under order
D
out of order
(2013·湖北，30)An artist who was recently traveling on a ferry to the southern island discovered________a long lost antique Greek vase.
#25355
A
at random
B
by chance
C
in turn
D
on occasion
Fred entered without knocking and, very out of breath, sank _______ a chair.
#29103
A
on
B
off
C
into
D
to