I am a League member. I volunteer my time ___________ others. 
#48828
A
help
B
to help
C
helping
D
helped
推荐题目
He pretended      English when his father entered.
#50034
A
reading
B
to reading
C
to be reading
D
read
I find it impossible for me _______ my old friends. This often makes me _____ sad.
#48745
A
meet; to feel
B
to meet; feel
C
meeting; feeling
D
met; felt
The young man used to _______ to work,but he is used to _______to work now.
#50511
A
drive,walking.
B
drove,walked.
C
drive,walks.
D
driving,walk
I’d like ______ your brother.
#50578
A
play with
B
to play
C
to play with
D
playing with