( )6. A. I see. B. Thanks C. Hello
( )7. A. She is my sister. B. He is my father. C. She is fine.
( )8. A. Yes, she is. B. Yes, it is. C. No, he isn’t.
( )9. A. Who is she? B. Yes, she is. C. No, he isn’t.
( )10. A.Yes, it is. B. They are my parents. C. No, they aren’t.