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Question 13: A. Every of the workers has his own work. C. Other B. Each D. All A 4 diểm Question 14: The numbers add to 70. A. off B. up C. in D. out n.ntin- 15. Tha aa. 4 diểm Question 15: The equipment in our ofice needs A. moderner B. modernizing C. modernized D. modernization A Qu ...