问题
选择题
It's clear that the number of cars on the roads ______ rising with the development of the society.[ ]
A. keeps
B. were keeping
C. was keeping
D. keep
答案
答案：A
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It's clear that the number of cars on the roads ______ rising with the development of the society.[ ]
A. keeps
B. were keeping
C. was keeping
D. keep
答案：A