Viết lại câu sử dụng 'who' hoặc 'whom'

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1. Brenda, whom my sister went on holiday with, is my friend.
2. I told you about a person who is next to my house.
3. She's the woman who telephoned the police.
4. Are you the man who won the first prize?
5. These boys, who live in an orphanage, are very good.
6. This woman, whom everyone hates very much, works in an international bank.
7. He is the man who stole my money yesterday monring.
8. She is a famous singer who is outside the building now.
9. This is the boy whom I hate very much.
10. Mr and Mrs.John, who are hard-working, are farmers.