Before you leave the classroom, please       the lights.
#60235
A
turn up
B
turn down
C
turn on
D
turn off
推荐题目
If you want to go camping, I will _________ a tent ________ you.
#63733
A
provide; with
B
provide; for
C
providing; with
D
providing; fo
Usually winter ______ December ________ February.
#61895
A
lasts from , to
B
lasted from , to
C
lasts to , from
D
last to , from