Поставить вопросы общие специальные или альтернативные нужно более 10 his sisters work at a new factory

Общ.    1. Do his sisters work at a new factory?
Спец.   2. What do his sisters do at a new factory?
             3. Where do his sisters work?
             4. What factory do his sisters work?
             5. Who works at a new factory? (Вопрос к подлежащему)
             6. Whose sisters do work at a new factory?
Альтер. 7. Do his or her sisters work at a new factory?
              8. Do his sisters or brothers work at a new factory?
              9. Do his sisters work or walk at a new factory?
              10. Do his sisters work at a new or an old factory?
              11. Do his sisters work at a new factory or farm?