注意：被 删除线 划掉的不一定不正确，只是不是标准答案。 文章目录 Lesson 1 Greetings 打招呼会话A会话B笔记You, too. 和You too.有什么区别？ Lesson 2 Courtesy 礼貌会话A会话B笔记May I beg your pardon? 有几种缩写别客气的几种说法很高兴遇见你：Nice to meet you. = It's nice to m