4. Вставьте am, is, are
1. He_____ a student. He______ a good student.
2. His father______ a doctor.
3. My mother______ not an office-worker.
4. _____ your sister a pupil? – Yes, she_____.
5. They______ at home now.
6. I_____ a first-year student now.
7. This_____ my house.
8. ______ they at home? – No, they_____ not at home.
9. These men______ drivers.
10. My friend______ an engineer. He_____ at work.
11. ______ your parents at home?
12. ______ there any books on your table? – Yes, there_____.
13. _____ her sister a teacher? – Yes, she______.
14. Tom______ at home now.
15. Our father_____ a scientist.