A.It’s a CD . ( ) (2) What colour is it. | B.Yes, please. ( ) (3) Are you Wang Bing? | C.Great. ( ) (4)Would you like a hot dog? D. No, I’m not. I’m Liu Tao. ( ) (5) What’s this? | D.It’s yellow. ( ) (6) It’s nice. | E.No, thank you. ( ) (7) What about a cake? | F.Thank you. |