Fill in the blanks with am, is, are.
1. I am a schoolboy. 2. This man is a farmer. 3. My friend ... in the garden. 4. We are students. 5. My father ... a tractor driver. 6. The students ... in the classroom. 7. She is an engineer. 8. I am busy. 9. Our teacher ... young. 10. They are in the park. 11. You are very kind. 12. The film ... very funny. 13. Your cat... very lazy. 14. Our school ... in the center of the city. 15. You are my best friend.