My name is Peter. My family has four people. They are my father, my mother, my sister and I. My father is a doctor. He is good at running. He is forty years old. My mother is a teacher. She is an English teacher. She is thirty-nine years old. My sister is twelve. She is a student. She likes singing and dancing. But she doesn't like animals. I'm a student, too. I like dancing, swimming, running and animals.