be good 的用法总结

　　例句：

　　I'm good at drawing.

　　我擅长绘画。

　　Running is good for your health.

　　跑步对你身体有好处。

　　He is very good with the children.

　　他与这些孩子处得很好。

　　Miss Li is very good/friendly to us student.

　　老师对我们学生非常好。

　　I'll be good, I swear!

　　我会听话的，我发誓！