Don’t forget to ______ the lights before you leave the classroom.
#61436
A
turn down
B
turn on
C
turn off
D
turn up
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Don’t ______ so often. It’s bad for your health.
#57774
A
get up.
B
stay up.
C
look up.
D
show up.
Will you please _______ the TV?I want to see the Animal World. 
#56071
A
turn off
B
turn down
C
turn on
D
turn up