九年级英语上学期Lesson 17教案Lesson 17 Language Focus:1. some useful expressionshave a good time; have a family meeting; talk about; go for our holiday; describe to do something; diving; on the island; press; by oneself2. the Object ClauseCould you tell us how long were going to away?Properties: Recorder: Overhead Projector; Pictures; computerTeaching Procedures:. Showing aimsHave the students know what they will learn in this lesson and what they will do in this class:1. Master