Put the verbs in brackets into the simple past or past continuous.

1. My father was driving his car when a policeman stopped him. 2. Two boys were playing soccer when the teacher came into the classroom. 3. I was running to the park when I heard a terrible noise. 4. While Tony was cleaning the bathroom, his son was shouting in the kitchen. 5. My son broke his pencil while he was doing his homework. 6. I was waiting for my friend when the bus arrived.