When the teacher came in, he saw some boys _______ behind Daniel, _______ the computer games. 
#50360
A
sit, watching
B
sitting, watching
C
sit, to watch
D
sitting, watched
推荐题目
Teenagers shouldn’t be allowed          .
#48398
A
to drive
B
drive
C
to driving
D
Driving
At last the boy was made_____ and began to laugh.
#50101
A
stop crying
B
to stop to cry
C
to stop crying
D
stop to cry.
 He used to       in the morning, but now he is used to       at night.
#50282
A
reading; read
B
read; read
C
reading; reading
D
read; reading
—I can’t stand ___________ hamburgers every noon. —Then why not stop ________ another kind of food?
#50573
A
eating; having
B
to eat; to have
C
eating; to have
D
to eat; having