1. did they were in london last month?
2. did you watched TV in the living room yesterday?
3. did she was in this town last year?
4. did you visited your grandparents every summer?
5. did Nick go to bed at 9 o'clock?
6. Did he was the best student at university?
7. did your friend best in the world ?
8. Did she played tennis 2 days ago?