Underline the right word:
1. That's your / yours problem, not my / mine.
2. I'm going out with some friends of my / mine. They/Their are from Pennsylvania. 3. I'm going to buy Pam/ Pam's car. It / It's seems to be in an excellent condition.
4. Who / Whose key is this? Is it your / yours?
5. Kate's having dinner with a friend of her / hers.
6. Some of my children / my children's toys are lost.
7. My / Mine is broken. James / James's is all right. You can use it / its.
8. I gave my / mine phone number to she/her.​