Now there are already robots _________ in factories.
#50464
A
working
B
to work
C
work
D
worked
推荐题目
一Tony 1ikes his new car,he is______一this weekend.
#49636
A
going hiking
B
going bike riding
C
going for a drive
D
drive
It takes about twelve minutes    and five minutes by bike.
#50116
A
walking
B
walk
C
to walk
D
walking
We have two rooms_________, but I can’t decide_________. 
#51319
A
to live , to choose which one
B
lived, choose which one
C
to live in, which one to choose
D
live, which one
You are so hungry. Why _______ have something __________?
#50725
A
not you, to eat
B
don’t you, eat
C
not to, to eat
D
don’t you, to eat