Вставьте глагол to be в правильной форме. 1. аm 2. is 3. are 1. my son a student. 2. his name nick. 3. we teachers. 4. i a doctor. 5. my friends engineers. 6. she a housewife. 7. his daughter a little girl. 8. she not old. 9. she three years old. 10. they good friends. 11. i from moscow. 12. what you? 13. he a teacher or a student? 14. what your name? 15. i a sociologist.