I find it very hard ____ the question.
#50008
A
to answer
B
answers
C
answering
D
answered
推荐题目
Why not _________ an English club to practise _________ English?
#49240
A
join; speaking
B
to join; speaking
C
join; to speak
D
to join; to speak
Your son has kept _________ for two hours. You’d better ask him to have a rest.
#51156
A
study
B
studied
C
to study
D
studying