Don’t throw away the waste paper. It needs           so that it can be reused. 
#49285
A
to destroy
B
destroying
C
to collect
D
collecting
推荐题目
The policeman did his best to make the baby_______.
#49008
A
to stop crying
B
stop crying
C
to stop to cry
D
stop to cry
Do you prefer _______?
#49119
A
skate
B
skates
C
skating
D
skated