I am a League member. I volunteer my time ___________ others. 
#48828
A
help
B
to help
C
helping
D
helped
推荐题目
How kind you are!You always do what you can______me.
#49506
A
help
B
helping
C
to help
D
helps
Something is wrong with my computer. It needs       .
#48489
A
mending
B
to mend
C
mended
D
is mending
He spends as much time as he can ____ English every day.
#50727
A
practising speaking
B
practise to speak
C
practise speaking
D
to practise to speak
I saw them _____ basketball at this time yesterday.
#50823
A
play
B
played
C
to play
D
playing