It is reported that the underground system      in Changsha now will be open in 2015.
#103392
A
is being built
B
built
C
being built
D
is built
推荐题目
---Why did you stop writing? --- I _____ my writing paper.
#102505
A
ran out of
B
have been used up
C
have used up of
D
have run out
— You’ve left the light on. — Oh, so I have. _____ and turn it off.
#100030
A
I go
B
I’ve gone
C
I’ll go
D
I’m going