In the class Amy runs . She can run than all the others. A. fast; fasterB. the fastest;

问题补充：

In the class, Amy runs . She can run than all the others.

A. fast; faster

B. the fastest; faster

C. fast; the fastest

D. the fastest; fast

答案：

A. fast; faster

(答案→)B. the fastest; faster

C. fast; the fastest

D. the fastest; fast

解析：句意：在班里，艾米跑的最快。她比班上的其他所有的人跑的都快。副词的最高级修饰动词run用the fastest；比较级用faster；故选B。