---What should I do, doctor?---_____healthy, you should take more exercise.
#48538
A
Keep
B
Keeping
C
To keep
D
Having kept
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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
The little boy was last seen __________ football by the river.
#48508
A
to play
B
play
C
played
D
playing
The child is crying．Please do something to make him__________．
#51072
A
stop to cry
B
to stop to cry
C
stop crying
D
to stop crying