[al:新概念英语（一）] [ar:MP3 同步字幕版（英音）] [ti:Is That You, John?] [by:更多学习内容，请到yingyu.chazidian.com搜索“新概念”] [00:01.47]Lesson 139 [00:04.96]Is that you, John? [00:07.62]Listen to the tape then answer this question. [00:13.07]Which John Smith does Graham Turner think he is talking to? [00:20.27]Is that you, John? [00:22.34]Yes, speaking. [00:24.85]Tell Mary we'll be late for dinner this evening. [00:28.66]I'm afraid I don't understand. [00:32.28]Hasn't Mary told you? [00:34.56]She invited Charlotte and me to dinner this evening. [00:38.66]I said I would be at your house at six o'clock, [00:41.99]but the boss wants me to do some extra work. [00:45.89]I'll have to stay at the office. [00:48.38]I don't know when I'll finish. [00:50.80]Oh, and by the way, [00:52.46]my wife wants to know if Mary needs any help. [00:56.86]I don't know what you're talking about. [01:01.19]That is John Smith, isn't it? [01:03.90]Yes, I'm John Smith. [01:07.14]You are John Smith, [01:08.30]the engineer, aren't you? [01:10.38]That's right. [01:12.42]You work for the Overseas Engineering Company, don't you? [01:16.82]No, I don't. [01:18.82]I'm John Smith the telephone engineer and I'm repairing your telephone line.