They enjoy _____ piano in their free time.
#49914
A
play
B
playing
C
playing the
D
to play a
推荐题目
I think the lives of children in poor areas _____ greatly by this project.
#50608
A
improve
B
improved
C
can improve
D
can be improved
He raised his voice，but still couldn’t make himself _________．
#48717
A
hearing
B
heard
C
to hear
D
hear