1. I am a pupil. I study at school. 2. My

1. I am a pupil. I study at school. 2. My brother is a painter. He is not an engineer. 3. My sister is at work. She is a doctor. 4. He is a student. 5. Are you a student? No, I am a doctor. 6. My sister is at home. 7. We are not at the school. We are at home. 8. My brother is a pupil. He is at school. 9. Is your mother at home? - No, she is at work. 10. Is your cousin at home? - No, he is at school. He is a pupil. 11. Is your sister a teacher? - No, she is a student. 12. Is your father at work? - No, he is at home. 13. Is your sister a typewriter? - Yes, she is. - Is she at home? - No, she is at work. 14. My grandfather is a scientist. 15. My mother is not a teacher. She is a doctor.