Заполните пропуски, используя while или when.

1. I was waiting for the school bus … I saw Nathan. 2. My mum preparing dinner … telephone rang. 3. Paul and Mary finished their work … Granny was making tea. 4. The vase fell from the shelf, … I was watching TV. 5. I was driving along … a dog ran onto the road. 6. My sister was washing her hair … she was listening to the music.