Complete the sentences with past simple or past continuous.

1. The gangster was robbing the money when the police caught him. 2. While he was crossing the street, I stopped him. 3. Mary was feeling very lonely when she was living in Germany. 4. Brian was having lunch when he found a fly in the soup. 5. Johnny was riding his motorbike when he had an accident. 6. Larry published his first book when he was 21 years old. 7. While the man was walking, he saw the two signs. 8. The singer was rehearsing when the manager opened the door. 9. We were climbing the rocks when it began to rain. 10. I was taking the photograph while you were laughing. 11. The American astronauts landed on the Moon. 12. The journalist was writing a very good article while he was working for the New York Times. 13. Kevin was selling newspapers when he was a young boy. 14. My teacher was explaining the lesson while I was talking to a classmate. 15. I was having a steam bath when my boyfriend phoned me.