Use the right pronoun.  1. ... friend and I work together. ... enjoy playing tennis. 2. They are from Canada, and ... relatives still live there. 3. I like to spend ... weekends with ... family. 4. Look! This is ... new house. Isn't it nice. 5. Whose dog is this?- It's ... dog. He also has a cat and hamsters. 6. Ann and ... mother are both teachers. 7. Michael is French and ... wife is German. 8. ... sister and I are American, but ... grandparents are Greek. 9. Henry's mother is a nurse. ... name is Lucy. 10. Alice and Bill are doctors, and ... son is a medical student.