Fill in the gap with: WHO, WHOM, WHICH, or WHOSE. 1. We talk about the party _____________ Sarah wants to organize for my birthday. 2. Don is a friend with ____________ I stayed in Australia. 3. Mrs.Richmond, ____________ is 42 years old, does morning exercise every morning. 4. We can not find the person _____________ car is blocking our driveway. 5. The film about _________ they are talking is thrilling. 6. My uncle, _________ you met yesterday , is a famous lawyer in the town. 7. The police __________ are questioning the woman _________ purse was stolen outside the supermarket. 8. The girl ______________ showed me the way to your house has a beautiful oval face. 9. The book _________ I received on my birthday is informative. 10. The company ________________ products have high quality is facing with financial problem.