Fill in each gap with a suitable relative pronoun

Fill in each gap with a suitable relative pronoun: ( who, whom, which , that, whose)
1. A babysitter is a person _________ looks after babies.
2. The children enjoyed the sandwiches __________ Mr. Rice made for them.
3. The girl and her car _________ disappeared two months ago have been found in the forest
5. She’s the singer ……….........has just signed a contract with a recording company
8. Is this the letter ………………….. you wanted me to mail?
9. The man ……….....…. sat next to me on the bus turned out to be my friend's father
WRITING
2. They have washed their car.
=> Their car___________________________________________________
3. The children have found four eggs in the nest.
=> Four eggs__________________________________________________
4. My brother has just broken the vase.
=> The vase__________________________________________________
5. My mother cleans the house twice a day.
=> The house __________________________________________________