It's OK to________an electrical appliance on so long as you are using it.
#11918
A
leave 
B
make
C
turn 
D
open
推荐题目
As they couldn’t satisfy my ____, I’m ____now.
#11676
A
needing; hunger
B
need; starved
C
needed; starvation
D
needs; starving
The old man was lying on the ground, ______ dead.
#13265
A
as possible as
B
as soon as
C
as far as
D
as good as