American Indian ______ about five percent of the U.S. population.
#83229
A
fill up
B
bring up
C
make up
D
set up
推荐题目
Go back home now, Mary. Your parents ______ your safety.
#63864
A
are concerned about
B
are concerned with
C
are concerned on
D
concern of
--What shall we do with our project, stop or continue, sir?  ---________ and try to finish it _______. 
#67487
A
Go ahead with it; ahead of time
B
Go on doing it; before time
C
Go on to do it; ahead of time
D
Continue to do it; before the time