A new library        downtown. They hope to complete it by the end of this year.
#100407
A
is being built
B
has been built
C
will be built
D
is building
推荐题目
It can be proved that Diaoyu Islands ______ part of the territory(领土) of China since ancient times.
#99383
A
belong to
B
are belonged to
C
have been belonging to
D
have belonged to
 Jane was disappointed that most of the guests     when she       at the party.
#104681
A
left; had arrived
B
left; arrived
C
had left; had arrived
D
had left; arrived
---Hi, Tracy, you looked tired.---I am tired. I______the living room all day. 
#101772
A
painted
B
had painted
C
having been painting
D
have painted