1) Anthony called / was calling while I worked / was parking the car.
2) Miranda drove / was driving to work when she saw / was seeing the accident.
3) Thomas didn't watch / wasn't watching the film when Sonia arived home.
4) Did he lie / was he lying on the sofa at 5.30 pm yesterday?
5) When I left / was was leaving the office, the phone rang / was ringing.
6) It snowed / was snowing in the mountains when we got up yesterday.
7) Barbara was living / lived in Paris when she was 15 years old.
8) I was writing / wrote my blog on the internet while you slept / were sleeping.
9) While David was recovering / recovered in hospital. I decorated the flat.
10) When I was waking / woke up. I realized that it was getting / got dark.