按要求改写下列句子。
1. The meeting began at ten o’clock yesterday morning. (就画线部分提问)
__________________ the meeting begin?
2. We went to the museum last weekend. (就画线部分提问)
_________ did you _________ last weekend?
3. John went to school on foot yesterday. (就画线部分提问)
__________________ John _________ to school yesterday?
4. I saw an interesting film last night. (变为—般疑问句)
_________ you _________ an interesting film last night?
5. Did he help his wife do housework after work? (作否定回答)
_________, he _________.