I find it very hard           the question.
#50173
A
to answer
B
answers
C
answering
D
answered
推荐题目
---Did you use to ____ a bus to school?---Yes .But now I am used to ____ a bike to school .
#49832
A
take , riding
B
taking , riding
C
taking , ride
D
taking . riding
He tries ____ English well, so he practises _____ English every day.
#50259
A
to learn; to speak
B
learning; speaking
C
to learn; speaking
D
learning; to speak