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
Thousands of people _______ to watch yesterday’s match against Ireland.
#13780
A
turned on
B
turned in
C
turned around
D
turned out
All of them felt it necessary that they______ __the meeting. 
#12412
A
attend
B
would have attended
C
attended
D
were to attend
 The situation put us at a serious ______, which made us very worried.
#12523
A
advantage
B
condition
C
disadvantage
D
situation