One third of the country________covered with trees and the majority of the citizens________black people. 
#85549
A
is; are
B
is; is
C
are; are
D
are; is
推荐题目
There ________ any computers on our desks.
#44283
A
is
B
isn’t
C
are
D
aren’t
______ is to be awarded the highest award at this evening’s meeting. 
#85711
A
Both the director and the writer
B
Both of the director and the writer
C
The director and the writer
D
The director and writer
E-mail, as well as telephone, ______ an important part in daily communication.
#85906
A
is playing
B
have played
C
are playing
D
played