Unit 4 When was it invented ? Section A 【最新】九年级英语： Unit 4 When was it invented（课件）鲁 教版 课件 Talk about the history of inventions. The passive voice. Language Goals: Grammar Focus: 【最新】九年级英语： Unit 4 When was it invented（课件）鲁 教版 课件 1b Listen and match the inventions with the dates. a b e d c 1876 1885 1927 1971 1976 【最新】九年级英语： Unit 4 When was it invented（课件）鲁 教版 课件 1c 【最新】九年级英语： Unit 4 When was it invented（课件）鲁 教版 课件 1c When was the telephone invented ? I think it was invented in 1876. 【最新】九年级英语： Un
