Paper books still play an important role
题型:选择题
问题:
Paper books still play an important role in the US textbook market, with digital textbooks __________ less than 5 percent of the total.
A.composing of
B.making up
C.consisted of
D.accounted for
Paper books still play an important role in the US textbook market, with digital textbooks __________ less than 5 percent of the total.
A.composing of
B.making up
C.consisted of
D.accounted for