Write do\ does\ am\ is\ are in the gaps. 1. you tired?
2. you study chemistry?
3. you a student?
4. you have a brother?
5. she a student?
6. she study chemistry?
7. you have lessons every day?
8. they at home?
9. he at work?
10. she speak English?
11. you speak English?
12. he an English teacher?
13. it cold outside?
14. you study biology?
15. you understand me?