——Now lots of teenagers spend a lot of time playing computer games. ——Yes. Teachers and their parents should prevent them ______________ too much.
#50157
A
to play
B
play
C
plays
D
playing
推荐题目
It is difficult for the students______ the homework on weekends.
#49154
A
finish
B
to finish
C
finishing
D
finished
I’m new at the party and I don’t have a friend ____.
#51048
A
to talk with
B
talking to
C
to talk
D
speaking to.
The floor is quite wet, and my teacher told us _________ quickly.
#50531
A
to mop up it
B
mopped it up
C
to mop it up
D
mop it up