1.is
2. are
3 are
1. I am not a pupil. I am a student.
2. His brother is at school.
3. My parents are engineers. They are at work.
4. Are you a doctor? No, I am a teacher.
5. Her sister is not a secretary. She is a teacher.
6. My cousin is not a scientist, he is a doctor.
7. Are your children pupils? Yes, they are.
8. It is my book. It is on the table.
9. The room is big. There are many flowers in the room.
10. It is my sister's bag.
1. On Mondays they don't work.
2. We aren't reading a newspaper now.
3. I don't like politics.
4. He isn't opening the window.
5. Do they usually watch TV?
6. My friend doesn't like apples.
7. Mum is cooking lunch now.
8. We are telling an interesting story now.
9. He works 6 days a week.
10.11. Are you revising grammar now?
12. Where do they live?
13. She isn't writing a letter now.
14. Is he learning English now?
15. What is he saying?
16. My sister starts work at 6 o'clock.
17. They are going to school now.
18. Do you like watching football?
19. The boys are playing football in the park.
20 They look through newspapers every morning.
21 My friend is drawing now.
Объяснение:
