假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有5处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加入一个漏字符号（Λ），并在其下面写出该加的词。

删除：把多余的词用斜线(＼)划掉。  

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1．每处错误及其修改均仅限一词。

2．只允许修改5处，多者（从第6处起）不计分。

I have two pets, They are Dan and Lily. Dan is dog, He is three years old. He is very smart. He can walk in two legs. I like he a lot. Lily is a cat. She is 2 years old. She is cute. Look! She is sleep. So I think she is a kind of lazy.