When you leave, please turn off the light_____ energy.
#48503
A
save
B
saving
C
saved
D
to save
推荐题目
There are so many kinds of pens in the shop ,I can’t decide ______.
#50047
A
when to buy
B
where to buy
C
what to buy
D
which to buy
When I got out of the room, I found someone _____________ the tree.
#50126
A
climbing
B
to climb
C
climb
D
climbs
