who / whom / whose / that / which / when
1. It is a very interesting book has influenced us all.
2. It is a very interesting book message really influenced me.
3. He is staying with a cousin name is Henry.
4. He is staying with a cousin lives somewhere in Bangkok.
5. Let me introduce you to my uncle lives in New York.
6. Let me introduce you to my uncle I believe you have met before.
7. Let me introduce you to my uncle company you may know about.
8. Do you remember the year Diana graduated from college?
9. Please ask the operator is on duty.
10. Please ask the operator you already talked to.