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 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
—My mom makes me eat an apple every day ________ the doctor away. —So does mine.
#48547
A
keep
B
to keep
C
keeping
D
kept
