I find it very hard           the question.
#50173
A
to answer
B
answers
C
answering
D
answered
推荐题目
Why not_____an English club to practice_____English? 
#51265
A
to join; to speak
B
join; speaking
C
join; to speak
D
to join; speaking
 Nick,would you mind ____________soccer here Sorry,I’ll go and play in the park.
#48428
A
playing.
B
not to play.
C
not playing.
D
to play
 Our teachers advise us __________ hard for a better future.
#48483
A
work
B
to work
C
working
D
Works