I bought a new bike ... has two colors: red and white

Complete thế sentences, using who, whom, whose, which, where or why
1. I bought a new bike.....has two colors:red and white.
2. Peter....is very intelligent, is my brother's friend.
3. Bob,......job involves a lot of traveling, is away from home a lot
4. I don't know the reason.....he left his job.
5. This is the place......i was born.
6. It's the book......interests children of all ages.
7. I know some guides....could help you.
8. People......eat an apple a day will keep the doctor away.
9. This is the school....i studied when i was young.
10. I know the reason....he didn't come.