1) 1. Do we learn English at the university?
2. Where do we learn English?
3. Do we learn English or French at the university?
4. We learn English at the university, don't we?
2) 1. Do I have lunch in the cafeteria at one oclock?
2. What do I have in the cafeteria at one oclock?
3. Do I have lunch or supper in the cafeteria at one oclock?
4. I have lunch in the cafeteria at one oclock, don't I?
3) 1. Does the postman come every morning?
2. When does the postman come?
3. Does the postman come every morning or every evening?
4. The postman comes every morning, doesn't he?
4) 1. Will your sister finish school next year?
2. What will your sister finish next year?
3. Will your sister finish school or university next year?
4. Your sister will finish school next year, won't she?