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
Jim spent  half an hour ______his work.
#50083
A
finish
B
to finish doing
C
finishing to do
D
finishing
Camels can walk a long way without __________ . 
#50538
A
to drink
B
drinks
C
drinking
D
drank
—It’s time       home.—OK. Let’s go.
#50372
A
to go
B
goes
C
going
D
went