Most of these groups _______ teachers and graduate students, but some freshmen join as well. 
#13215
A
make up
B
is made up
C
consist of
D
is consist of
推荐题目
Ten minutes had been made full ____ of ____ the problem.
#12597
A
using; studying
B
use; to study
C
to use; to study
D
use; studying
—How did she get infected?  —She _______ the viruses without any protection.
#12814
A
exposed to
B
had exposed to
C
was exposed to
D
been exposed to