1. A. My friend is Lin Hai. B. My friend is Dave. C. My friend is Paul.
2. A. This is my cousin. .B. This is my sister. C. This is my brother.
3. A. That is her mother. B. That is his father. C. That is his uncle.
4. A. These are my parents. .B. These are my friends. .C. Those are my cousins.
5. A. Is that your sister? .B. Is this your mother? .C. Is this his brother?