You can improve your English practicing more.A. byB. withC. ofD. in

问题补充：

You can improve your English practicing more.

A. by

B. with

C. of

D. in

答案：

(答案→)A. by

B. with

C. of

D. in

解析：句意：你可以通过更多的练习来提高你的英语。improve your English 提高你的英语；by +doing 表示通过某种方式。故选A。