Don’t throw away the waste paper. It needs        so that it can be reused.
#48488
A
to destroy
B
destroying
C
to collect
D
colleting
推荐题目
---How did you work out the difficult chemistry problem?--- I worked it out by ________.
#49667
A
working with a group
B
think very hard
C
ask the teacher for help
D
doing oneself
______ a host of the show is really ___________.
#50664
A
Being, a hard work
B
To be, hard-working
C
Being, work hard
D
To be, work hard