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Users	Post date	Rates	Link to Content
mojtaba1980	2018-11-06	80	view

Topic title: In the past 100 years, there have been many inventions such as antibiotics, airplanes, and computers. Some of the greatest inventions are due to advancements in medicine, science and technology. What do you think is the most important of the advancements?

Topic category: PTE_Academic