Our school had about 20 notebook computers but only one-forth_____used regularly. Now we have 50 working all day long.
#86297
A
is
B
are
C
was
D
were
推荐题目
 ______ of the water in this cup ______ splashed onto the floor.
#85603
A
Three quarters; is
B
Three fourth; is
C
Three fourths; are
D
Three quarters; are
E-mail,as well as telephones,  an important part in daily communication.
#86089
A
is playing
B
have played
C
are playing
D
play