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
I’m going to ask Sam _________ the flat.
#49500
A
clean
B
cleans
C
cleaning
D
to clean
I’m new at the party and I don’t have a friend ____.
#51048
A
to talk with
B
talking to
C
to talk
D
speaking to.
Everything is OK. We are ready _______ work.
#49992
A
to start
B
for start
C
start
D
starting