My father works in an office нужно составить вопрос со словом "what" пплээс

1.I work here, am I not?2.I work here or there?3.Where do i work?4. Who works here?5. Do i work here? 1.My father works in his study, isn^t he?2.Where does my father work?3.Who works in his study? 4.Does my father work in his study? 5.What does my father do?6.My father works in his study or in my one?

What does my father do?