УМОЛЯЯЯЯЧЮ ПОМОГИТЕ ПРОШУ

1. She was reading a book when her mobile phone rang

2. Were you having lunch when someone stole your bag?

3. I had an idea while a was doing my homework

4. We were running along the road when it started snowing

5. They didn't see anyone while they were walking to the cinema

6. Did he eat anything while he was waiting for us?