《I want to be……》 作文怎么写?

I want to be a teacher in the future, because I think teacher is a good job. My teachers are very good. Some of them are gentle, but some of them are not. But I think they all care for students very much. I want to be a good teacher like them. I think I will be strict to my students in the class. But after class, I want to be their friend and help them in study and life. Besides, it can help me to keep a young heart to stay with young students. I must work hard for my dream.