My world of English : Speaking V

Friday, September 30, 2016

Speaking V

Unit 5. OPERATING SYSTEM. Data

https://www.youtube.com/watch?v=5AjReRMoG3Y

https://www.youtube.com/watch?v=pVzRTmdd9j0

https://www.youtube.com/watch?v=3vApOQb8A8k

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