Recycling is good, so don't ______ bottles or newspapers.
#52606
A
find out
B
hand in
C
use up
D
throw away
推荐题目
 We _____ in this pool when we were young, but now it _____ fish. 
#59147
A
are used to swim; used to keep
B
are used to swimming; used to keep
C
used to swimming; is used to keep
D
used to swim; is used for keeping