.I have a math teacher, he is Mr. Su. Mr. Su has two big eyes, short hair, one big nose and a small mouth. He is tall and thin, he is very strict. His class is very interesting. I like my math teacher. 我有一个数学老师,他是苏先生.苏先生有两个大眼睛,短头发,一个大鼻子和小嘴巴.他又高又瘦,他很严格.他的课堂很有趣.