Mike Miss Li Yang Ling Su Hai Sam Liu Tao
⑴Hi, Sam. A. Hi, I'm Liu Tao.
⑵Hello! Are you Liu Tao? B. Good afternoon, Wang Bing.
⑶Goodbye, Miss Li. C. Goodbye, Mike.
⑷Good afternoon, Su Hai. D. Yes, I am.
⑸Hi, I'm David. E. Hi, Bobby.