As you can see,the number of cars on our roads________rising these days.
#100314
A
was keeping
B
keep
C
keeps
D
were keeping
推荐题目
Now then, children, it’s right time you ______.
#102530
A
wash and dress
B
are washed and dressed
C
will wash and dress
D
were washed and dressed
Pompeii _______ by so many tourists that some of the relics are not well protected. 
#102918
A
has been visited
B
is visited
C
is visiting
D
was visited