You are very good speaking English. Can you help me it?A. for withB. at toC. to ofD. at

问题补充：

You are very good speaking English. Can you help me it?

A. for, with

B. at, to

C. to, of

D. at, with

答案：

A. for, with

B. at, to

C. to, of

(答案→)D. at, with

解析：在英文中表示擅长做某事通常用be good at，表示帮助某人做某事通常用help sb with sth，故本题选D。