Paper books still play an important role in the US textbook market, with digital textbooks __________ less than 5 percent of the total.
#97580
A
composing of
B
making up
C
consisted of
D
accounted for
推荐题目
He admitted ______ his best friend , Jack, _______to make up for that.
#95438
A
betraying , determining
B
betraying , determined
C
to betray , determining
D
to betray , determined
The old man ____ down by a truck is being saved now.
#90780
A
knocking
B
to knock
C
knocked
D
being knocked
The new technology, if to rice growing, will help increase the grain output．
#88867
A
applying
B
applied
C
to apply
D
having applied
.Mary couldn’t make herself _______ attention to because her classmates made so much noise.
#97911
A
paid
B
to pay
C
pay
D
paying
--- He looks so tired. What’s wrong? --- Nothing serious. He just stayed up last night, ___________his papers.
#93496
A
to prepare
B
having prepared
C
prepared
D
preparing