A: 大卫，今天中午有空吗？我想请你吃顿饭。    B: 有空啊，不过怎么突然想请我吃饭？是有什么大喜事吗？    A：谈不上什么大喜事，你先猜猜看吧。    B：我猜不出来，你就别卖关子了，直接告诉我好啦。    A：为了庆祝两件事。    B：哪两件事？    A：头等大事是庆祝你大学毕业，其次嘛，就是今天我满20岁。    B：今天是你的生日啊，瞧我这记性。你看我都没有给你准备礼物，真是过意不去。     A: David, are you free this midday? I would like to invite you out for lunch.
B: I'm free. But why this sudden invitation for lunch? What is the celebration for?
A: It has nothing to do with celebration. Can you first make a guess.
B: I give up. Stop the suspense. Tell me staight away.
A: It's about two things.
B: What two things?
A: To celebrate a matter of prime importance, your college graduation.
Next, today I'm all round 20 years old.
B: Today is your birthday. You see what a memory I have. I have no gift ready for you. I'm terribly sorry.

-- benchannevy@

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"To have a meal" besides having the function of filling one's stomach, it also has the social function of getting in touch with friends, strengthening affection and celebration. Lesson Content: A: David, are you free this midday? I would like to invite you out for lunch.
B: I'm free. But why this sudden invitation for lunch? What is the celebration for?
A: It has nothing to do with celebration. Can you first make a guess.
B: I give up. Stop the suspense. Tell me staight away.
A: It's about two things.
B: What two things?
A: To celebrate a matter of prime importance, your college graduation.
Next, today I'm all round 20 years old.
B: Today is your birthday. You see what a memory I have. I have no gift ready for you. I'm terribly sorry.

• invitation [,invi´teiʃən]   n.邀请；请帖；吸引   (初中英语单词)
• celebrate [´selibreit]   vt.庆祝；表扬；赞美   (初中英语单词)
• terribly [´terəbli]   ad.可怕地   (初中英语单词)
• function [´fʌŋkʃən]   n.机能；职责 vi.活动   (初中英语单词)
• stomach [´stʌmək]   n.胃；胃口，食欲   (初中英语单词)
• affection [ə´fekʃən]   n.友爱；慈爱   (初中英语单词)
• celebration [,seli´breiʃən]   n.庆祝(会)；庆典   (高中英语单词)
• midday [´middei]   n.中午   (英语四级单词)
• summary [´sʌməri]   a.&n.摘要(的)   (英语四级单词)
• suspense [sə´spens]   n.悬挂；悬虑不安   (英语六级单词)