They have fun          chess(国际象棋).
#50410
A
play
B
playing
C
play the
D
playing the
推荐题目
I have a friend __________ Millie.
#49994
A
call
B
to call
C
called
D
calling
We’re going to practice_____ English as much as possible.
#50820
A
speak
B
to speak
C
speaking
D
speak about
I always tell my students _________ on the road because it’s really dangerous.
#49248
A
not to play
B
to play not
C
not playing
D
not play
---How did you work out the difficult chemistry problem?--- I worked it out by ________.
#49667
A
working with a group
B
think very hard
C
ask the teacher for help
D
doing oneself