Listen Imitate 0 D:Excuse me,I don't think we've met before.My name is 日 Ding Guowen. G:How do you do,Prof.Ding.My name is George White D:Nice to meet you,Mr.White.Welcome to the English 0 Department. G:Please call me George.I've come to see David,my 0 brother,who is teaching in your department.My mother ▣ is here too.May I present my mother,Mrs.White. D:Oh,how do you do,Mrs.White.It's a pleasure to meet ▣ you.You have two fine young sons there. W:Thank you,Prof.Ding.We're very proud of them. 14 14 Listen & Imitate  D: Excuse me, I don't think we've met before. My name is  Ding Guowen.  G: How do you do, Prof. Ding. My name is George White.  D: Nice to meet you, Mr. White. Welcome to the English  Department.  G: Please call me George. I've come to see David, my  brother, who is teaching in your department. My mother  is here too. May I present my mother, Mrs. White.  D: Oh, how do you do, Mrs. White. It's a pleasure to meet  you. You have two fine young sons there.  W: Thank you, Prof. Ding. We're very proud of them