[al:新概念英语（一）] [ar:MP3 同步字幕版（英音）] [ti:Knock, Knock!] [by:更多学习内容，请到yingyu.chazidian.com搜索“新概念”] [00:01.50]Lesson 115 [00:04.57]Knock, knock! [00:06.96]Listen to the tape then answer this question. [00:12.90]What does Jim have to drink? [00:17.55]Isn't there anyone at home? [00:20.46]I'll knock again, Helen. [00:22.38]Everything's very quiet. [00:24.24]I'm sure there's no one at home. [00:26.82]But that's impossible. [00:28.79]Carol and Tom invited us to lunch. [00:32.10]Look through the window. [00:34.82]Can you see anything? [00:36.72]Nothing at all. [00:39.07]Let's try the back door. [00:41.67]Look! Everyone's in the garden. [00:46.06]Hello, Helen. Hello, Jim. [00:49.39]Everybody wants to have lunch in the garden. [00:52.04]It's nice and warm out here. [00:54.31]Come and have something to drink. [00:56.68]Thanks, Carol. [00:58.12]May I have a glass of beer please? [01:00.52]Beer? [01:01.35]There's none left. [01:02.76]You can have some lemonade. [01:04.89]Lemonade! [01:06.76]Don't believe her, Jim. [01:08.45]She's only joking. [01:09.94]Have some beer!