You cannot be more careful when crossing the street or you may by cars.A. be run awayB.

问题补充：

You cannot be more careful when crossing the street, or you may by cars.

A. be run away

B. get run out

C. get run over

D. run into

答案：

A. be run away

B. get run out

(答案→)C. get run over

D. run into

解析：考察固定用法。很多用法：Get+过去分词。 本题的get run over指被撞倒。句意：在过马路时，在怎么细心也不为过，否则你会被汽车撞倒。