Look! The workers        some subways now. The traffic in Hefei will be better soon.
#36476
A
build
B
are building
C
built
D
were building
推荐题目
I ________my homework while my parents _________TV last night.
#41821
A
did; have watched
B
was doing; were watching
C
had done; were watching
D
would do ;were watching
My life ______a lot in the last five years. 
#38361
A
havechanged
B
haschanged
C
changed
D
willchange
---I hope you _______ my party next weekend?--- OK, I _______ .
#38867
A
to come in; will
B
come to; will
C
came: am
D
will come to; will