九年级牛津版 9A Unit 1 star signs Grammar 【最新】九年级英语上册 Unit1 Grammar课件 牛津译林版 课件 Grammar A 【最新】九年级英语上册 Unit1 Grammar课件 牛津译林版 课件 It is necessary _ us to exercise often. It is important _us to keep fit. for for 【最新】九年级英语上册 Unit1 Grammar课件 牛津译林版 课件 It is very kind _ Jackie Chan to raise money for charities. of 【最新】九年级英语上册 Unit1 Grammar课件 牛津译林版 课件 It is polite _students to wave to teachers goodbye o f 【最新】九年级英语上册 Unit1 Grammar课件 牛津译林版 课件 It+is+ kind, wrong, clever, foolish, careless, selfish, polite, + of +
