With trees and grass__________39.6% of the urban area，the city has taken on a new look.
#91440
A
covering
B
covered
C
to be covered
D
being covered
推荐题目
_____ production up by 60%, the company has had another excellent year.
#91460
A
As
B
For
C
With
D
Through
With a lot of difficult problems ____, the newly -elected president is having a hard time.
#91160
A
settled
B
settling
C
to settle
D
being settled
Microblogs experienced rapid growth in 2011 in China, with the number of microblog operators, users and visitors _____ several times.
#91281
A
to increase
B
increasing
C
increased
D
increase