更新时间：2018-12-03 12:21作者：李一老师
I am from China. I am not from America.
作业：介绍一下朋友。
She is Lily Chen.
Her first name is Lily.
Her last name is Chen.
She is married. She is not single.
She is from Shanghai. She is not from Beijing.
学习重点总结：
I am /My name is ...
I am from ...
first name, last name 的意思
Be 动词的用法