It’s very kind you to help me with my English.A.for B.with C.of

问题补充：

It’s very kind you to help me with my English.

A.for B.with C.of

答案：

解析：本题考查介词。本题考查结构It’s + adj + of sb + to do sth。句意：你帮助我英语真是太好了。