tailieunhanh - Level B lesson 31

Tham khảo tài liệu 'level b lesson 31', ngoại ngữ, chứng chỉ a, b, c phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Level B lesson 31 a merger is a combination of two or more corporations under one management. D A. The B. At C. On D. In commodities by air began in the 1920s at the same time as airmail service. A u A. The shipping u B. A ship u C. The shipped u D. To ship 3. Jan Malzeliger s invention the shoe-lasting machine production but it also cut the cost of shoe production by half. A u A. not only increased u B. not increased only u C. increased only u D. only have increased 4. It can home. B u A. to take months to sell u B. take several months to sell u C. selling takes several months u D. to sell taking several months 5. Jellyfish are Earth. B u A. most numerous predators u B. the most numerous predators u C. most numerous of predators u D. the most .

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