Now there are already robots _________ in factories.
#50464
A
working
B
to work
C
work
D
worked
推荐题目
The book written by Mo Yan is worth ______ a second time.
#49367
A
to read
B
to be read
C
reading
D
being read
You had better ____________ because you have to drive back home.
#50781
A
not drinking
B
not drink
C
don’t drink
D
not to drink
It’s time        .
#50478
A
for breakfast
B
have breakfast
C
for I to have breakfast
D
for have breakfast