We hope that with the help of the new skill Liu Xiang can run than before.A. fastB. faste

问题补充：

We hope that with the help of the new skill, Liu Xiang can run than before.

A. fast

B. faster

C. fastest

D. the fastest

答案：

A. fast

(答案→)B. faster

C. fastest

D. the fastest

解析：本题是比较级的内容，看到than就很容易能选出答案faster

翻译为“我们希望在新技术的帮助下， 刘翔能比以前跑的快。”