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Annoying inventions - PowerPoint PPT Presentation

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???????? ?????. Unit 9. When was it invented?. Section A. Language Goal: 1. Talk about the history of some inventions. 2.Grasp the structure of passive voice: be done. Warming up. Can you tell when were they invented?. 1885 ?. 1876 ?. 1927 ?. 1976 ?. 1927 ?. 1a. GROUPWORK.

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Annoying inventions - PowerPoint PPT Presentation

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