1. I **was watching** television when the phone **rang**.
2. Keith **was having** a bath when the detective **arrived**.
3. Alberto **broke** a leg when he **was skiing**.
4. Last night Lydia **was listening** to the radio when she **heard** a strange noise downstairs.
5. Jim **fell** out of the tree while he **was climbing** it.
6. We **were giving** Kate first aid when the ambulance **arrived**.
7. While I **was waiting**, I **noticed** an old man lying on the ground.
8. Rachel **decided** not to go out, because it **was raining**.
9. The thief **stole** my purse while I **was looking** at the shop window.
10. The other day Heidi **was crossing** the road when suddenly a car **crashed** into a lamp post in front of her.