1. we were playing volleyball with Mary, when you called me
2. when the teacher came in, they were studying English
3. the baby was sleeping when the telephone rang.
4. as I was walking in the streets of Holland, I met an old friend of mine.
5. I lost my keys yesterday.
6. I was looking for my purse when I dropped my credit card
7. my uncle took me to the airport yesterday
8. she was dancing when she hurt her ankle
9. it was raining yesterday when I got up.
10. I saw the thief while he was getting into my neighbour's house
