1) I fell asleep while I was watching the television.
2)While Iwas travelling in Europe I met some intersting people.
3)I saw too buses go past while I was running to the bus stop.
4)He fell of his bike while he was cycling to a frieng's house.
1)Olivia offered to paid for the meal,but David already had paid.
2)When I arrived, I had missed the begining of the film.
3)By the time he was four,he had learned to read perfectly.
4)After closing the door, I had realised I left my key in the house.
