摘要：As you can see, the number of cars on our roads rising these days． A. was keeping B. keep C. keeps D. were keeping
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As you can see, the number of cars on our roads ________ rising these days．
[ ]
A．was keeping
B．keep
C．keeps
D．were keeping
As you can see, the number of cars on our roads ________ rising these days．
[ ]
A．was keeping
B．keep
C．keeps
D．were keeping
As you can see, the number of cars on our roads ________ rising these days．
[ ]
A．was keeping
B．keep
C．keeps
D．were keeping