1. Did they work / Where did they work?
2. Did she go / When did she go shopping?
3. Did she swim / Where did she swim?
4. Did she buy / What did she buy?
5. Did they get up / Why did they get up early?
6. Was he / Where was he?
7. Did he go / Where did he go?
8. Was he there / When was he there?
9. Did he go there / When did he go there?
10. Did he go / Why did he go there?