1. this … a book. 2. these … long texts, and those … short texts. 3. those doors … black. 4. that pencil … not black. it … red. 5. … this book good? 6. ben … my friend. 7. he … a teacher. 8. i … in my room. 9. tommy and billy … babies. 10. … mike and ann doctors? – yes, they … . 11. … those men friends? – no, they … not. 12. mary and i … friends. 13. you … welcome. 14. she … out at 10 yesterday. 15. it … 5 o’clock now. 16. how … you? – i … fine. 17. she and her children … at home yesterday in the evening. 18. … you glad to see her? – no, i … not. 19. it … a rainy yesterday. 20. it … not good to say so.
