He often spends much time________playing the piano. 
#49131
A
practice
B
practices
C
to practice
D
practicing
推荐题目
What will you do after___________  your education?
#48897
A
finish
B
to finish
C
finished
D
finishing
She likes ___to the movies with her friends and _____sports.
#51246
A
going, playing
B
go, play
C
going , play
D
going , plays
They made the children ________every morning.
#48474
A
exercising
B
to exercise
C
exercised
D
exercise