4. Вставьте am, is, ar 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.