Explanation:
Rule: Wh-questions in the past simple start with a Wh-word, followed by 'did', the subject, and the base form of the verb.
- 1. What time did you wake up yesterday?
- 2. Where did they go last summer?
- 3. Who did she speak to at the beach?
- 4. What did he build with the sand?
- 5. How did you travel to the seaside?
- 6. Why did Sam run so fast?
- 7. What did the fishermen catch?
- 8. Which postcard did you buy?