1. A How did the accident happened?
B He was driving back from Manchester when he hit a tree.
2. I had already started cooking the meal when they called me to say they couldn't come.
3. When I got home I was really tired,so I had a shower and went to bed.
4. I arrived too late.The concert finished and my friends went home.
5. The driver lost control of his car because he talked on his mobile.