9. A: Isn’t Mary’s brother a singer? B: _______(A) Yes, she is a good singer. (B) No, he isn’t. He i
問題詳情
9. A: Isn’t Mary’s brother a singer? B: _______ (A) Yes, she is a good singer. (B) No, he isn’t. He is a singer. (C) Yes. He is a doctor, too. (D) No, she is not a singer.