Ответ:
1. Bob did not understand his homework
2. The police arrested the criminal while he was shooting
3. I cooked jam when postman was came
4. She was opening the window when her neighbour said "Hello"
5. As they were waiting for the bus, it started rain
6. While we were decorating the Christmas tree, we listened to Christmas carols
7. We lived in Monaco 5 years ago
Объяснение: