You should move back and forth while _______ basketball.
#50269
A
to play
B
playing
C
are playing
D
plays
推荐题目
It’s seven in the morning. It’s time ___________.
#50207
A
go to school
B
going to school
C
to go to school
D
goes to school
I prefer ________ to ________. 
#49795
A
reading; watching TV
B
read; watch TV
C
to read; to watch TV
D
to read; watching TV