补全对话。从表格中选出适当的句子组成完整的对话。 A. Is that you, Tony? B. Sorry, he isn't in. C. Mrs. Green here. D. Anything else? E. May I speak to Tony? F. May I leave a message? G. Can I take a message for you? A: Hello! B: Hello! 1_____ Who's that? A: Good afternoon, Mrs. Green. This is Tom here. 2_____ B: Hold on, please. Let me see if he is in his room. A: All right. B: 3_____ Maybe he is playing basketball. A: Oh! When will he come back? B: I'm not sure. 4_____ A: OK. Mr. Smith asked him to go to school this afternoon. B: I'll tell him about it as soon as he comes back. 5_____ A: No, thanks. Bye-bye. B: Goodbye.