1. She worked for a man. The man used to be an athlete
=>  She worked for a man who used to be an athlete
2. They called a lawyer. The lawyer lived nearby
-> They called a lawyer who lived nearby
3. I sent an email to my brother. My brother lives in Australia
=> I sent an email to my brother who lives in Australia
4. The customer liked the waitress. The waitress was very friendly
=> The customer liked the waitress who  was very friendly
5. We broke the computer. The computer belonged to my father
-> We broke the computer which belonged to my father
6. I dropped a glass. The glass was new
-> . I dropped a glass which was new
7. She loves books. The books have happy endings
=> She loves books that have happy endings
8. They live in a city. The city is in the north of England
->  They live in a city which  is in the north of England
9. The man is in the garden. The man is wearing a blue jumper
-> The man who  is wearing a blue jumper is in the garden
10. The girl  works in a bank. The girl is from India
=> The girl who  is from India works in a bank