Don’t forget to turn ________the lights when you leave the office.
#48419
A
on
B
off
C
up
D
in
推荐题目
---_____do you tell him the news? ---By _____an e-mail.
#47248
A
How, sending
B
How, send
C
What, sending
D
What,send
Paul always goes to the center of the city ________.
#47263
A
on bike
B
take a bus
C
on feet
D
by car
I’d like to trek ______ the jungle. 
#48264
A
through
B
across
C
over
D
on