Lesson 83 Going on holiday本课内容 单词学习 现在完成时 课文讲解 练习 日常用语 口语练习 作业单词学习 mess n. 杂乱，凌乱 pack v. 包装，打包，装箱 suitcase n. 手提箱 leave v. 离开 already adv. 已经mess n. 杂乱，凌乱 The room is in a mess. 那个房间乱七八糟的。 乱七八糟，请原谅。 Excuse the mess. 清理散乱的东西 clear up the mess He was such a mess that he did not know what to do. 他心乱得不知如何是好pack v. 包装，打包，装箱 v. 打包，装箱 pack ones suitcase 打包 pack ones suitcases 收拾行李。 v. 挤满，塞满 大厅里挤满了影迷。 The movie fans packed the hall. 公共汽车里挤满了人。 The bus is packed with people. leave v. 离开 v. 离开，出发 火车还有5分钟就
