Complete the sentences with the correct relative pronouns

• whom
• which
• when
• whose
• where
• who
• that

1. These are the families [ ] houses were destroyed by the flood.
2. I didn't have a chance to thank the person [ ] sent me flowers.
3. Are you looking at the photos [ ] you took at the family dinner?
4. At the airport, I saw a man [ ] hosts a popular show on TV.
5. I don't know [ ] I can trust most among my employees.
6. Harvard University is the oldest institution of higher learning in the USA [ ] most Nobel laureates studied.
7. Elizabeth II came to the throne in 1952 [ ] she was twenty-six.