题目内容：

it is+adj+for sb和it is+adj+of 有什么区别

优质解答

先举例子It is kind of you to help me.你能帮我太好了.（kind 的是you）It is beneficial for you to do sports.运动对你有益.（beneficial的是do sports）再如：It is helpful of you to help me.it is+adj+for sb...