Помогите 10 номер СРОЧНО!!!!

1. Is he a student? Is he at the university now?  2. Is my mother a doctor? Is she in the hospital? 3. Is my father at home now? Isn't he at work? 4. Are you a student? Are you in class now? 5. Are the children in the yard now? Aren't they at school? 6. Is my uncle a lawyer? Is he in his office now?