1. They’re the people that want to buy our house.
2. We had a lovely meal at the place which Phil recommended.
3. We don’t know the person who donated this money.
4. The picture that she has just finished is unique.
5. You are the partner that I want to work with.
6. I coundn’t help the students whose tests were a failure.
7. Sheila knows when it happened.
8. That is the swimming-pool which I used to go swimming.