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Post date	Users	Rates	Content
2021-11-18	mohammad Gh	70	Check this topic

Topic title: Most people believe that the first airplane was built and flown in 1903 by brothers Orville and Wilbur Wright Yet there is some evidence that another inventor Gustave Whitehead may have built and flown an airplane in 1901 two years before the Wright broth

Topic category: Integrated TOEFL Writing