1. This … a book. 2. These … long texts, and those … short texts. 3. Those doors … black. 4. That pencil … not black.

1. This is a book. 2. These are long texts, and those are short texts. 3. Those doors are black. 4. That pencil is not black. It is red. 5. Is this book good? 6. Ben is my friend. 7. He is a teacher. 8. I am in my room. 9. Tommy and Billy are babies. 10. Are Mike and Ann doctors? – Yes, they are. 11. Are those men friends? – No, they are not. 12. Mary and I are friends. 13. You are welcome. 14. She was out at 10 yesterday. 15. It is 5 o’clock now. 16. How are you? – I am fine. 17. She and her children were at home yesterday in the evening. 18. Are you glad to see her? – No, I am not. 19. It was rainy yesterday. 20. It is not good to say so.