1. The jumper shank when I washed it.
2. Mike got really exhausted in his first marathon because he had never run such a long race before.
3. The light in the room showed that Mr. Simpson was waiting for me.
4. The Tinanic was travelling to New York when it hit an iceberg and sank in the Atlantic.
5. The footballer was running towards the goal when he fell over.
6. George said that he hadn't decide yet which side to support.
7. I took the decision after I had spoken to him.
8. Bill had been working at the same problem for two hours when Jack phoned him and asked if he solved it.
9. I knew that Nick had boarded with an American family since his arrival and he had learned a great deal about American habits and customs.
10. I found out why my pen friend hadn't got my letters. I'd been sending them to the wrong address!
2) the toys of my children - my children's toys
3) the hobby of my wife - my wife's hobby
4) the handbags of these women - these women's handbags
5) the life of animals - animals' life
6) the voice of this girl - this girl's voice
7) the letter of Peter - Peter's letter
8) the questions of my child - my child's question
9) the newspaper of last Saturday - last Saturday's newspaper
10) the photo of her boyfriend - her boyfriend's photo
11) the economy of the country - the country's economy