九年级牛津版 9A Unit 1 star signs Main task 【最新】九年级英语上册 Unit1 Main task课件 牛津译林版 课件 Whats David good qualities for a good chairperson David organized helpful hard-working confident clever How do you know ? 【最新】九年级英语上册 Unit1 Main task课件 牛津译林版 课件 Finished all his summer homework in the first week Not afraid of making a speech to a large group of people Always gets good marks in tests Never forgets to do the things he needs to do Often shows us how to use the library David organized helpful hard-workingco