A number of students ______ playing on the ground but I don't know what the exact number______.
#43873
A
are; is
B
are; are
C
is; is
D
is; are
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
The number of pandas(熊猫)        becoming          .
#44138
A
is more and more
B
are less and less
C
is smaller and smaller
D
are fewer and fewer
Two­fifths of the highway________so far.
#85548
A
has been completed
B
was completed
C
have been completed
D
has completed