1. I have two sisters. My sisters are students. 2. We are at home. 3. My brother is not at home, he is at school. 4. My mother is at work. She is a doctor. 5. I am not a doctor. 6. I have no sister. 7. He is not a pilot. 8. I have thirty-two teeth. 9. He has a child. 10. She has two children. Her children are at school.11. Is your father at home? — No, he is at the work.12. Where is your the brother? — He is at home.