Thomas Alva Edison (1847 – 1931) is one of the greatest inventors of all time. Edison began to work (1) ____ an early age and continued to work until his death. During his career, Edison had more (2) ______ 1000 inventions, including the electric light bulb, the phonograph, and the motion-picture camera. People call the period (3) _______ 1897 to 1900, when Edison produced and perfected most (4) _______ his devices, the Age of Edison. One of Edison’s achievements was (5) _______ improvement on the telephone. The telephone that Alexander Graham Bell invented in 1876 could not work over distances of (6) _______ than 3 to 5 kilometers. After hundreds of experiments, Edison improved the telephone that (7) ________ could carry speech clearly over long distances. In March 1878, Edison’s telephone system connected to New York City to Philadelphia, Pennsylvania, a (8) _________ of 302 km. Throughout his career as an inventor, Edison was well-known for his focus and determination. He focused on his work so much that he spent little time with (9) _______ family. He avoided most social situation, and often (10) _______

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Thomas Alva Edison (1847 – 1931) is one of the greatest inventors of all time. Edison began to work (1) ____ an early age and continued to work until his death. During his career, Edison had more (2) ______ 1000 inventions, including the electric light bulb, the phonograph, and the motion-picture camera. People call the period (3) _______ 1897 to 1900, when Edison
produced and perfected most (4) _______ his devices, the Age of Edison.
One of Edison’s achievements was (5) _______ improvement on the telephone. The telephone that Alexander Graham Bell invented in 1876 could not work over distances of (6) _______ than 3 to 5 kilometers. After hundreds of experiments, Edison improved the telephone that (7) ________ could carry speech clearly over long distances. In March 1878, Edison’s telephone system connected to New York City to Philadelphia, Pennsylvania, a (8) _________ of 302 km.
Throughout his career as an inventor, Edison was well-known for his focus and determination. He focused on his work so much that he spent little time with (9) _______ family. He avoided most social situation, and often (10) ________ dirty shirts and working clothes.

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Thomas Alva Edison (1847 – 1931) is one of the greatest inventors of all time. Edison began to work (1) _at_ an early age and continued to work until his death. During his career, Edison had more (2) ___than___ 1000 inventions, including the electric light bulb, the phonograph, and the motion-picture camera. People call the period (3) ___from___ 1897 to 1900, when Edison produced and perfected most (4) ___of__ his devices, the Age of Edison.
One of Edison’s achievements was (5) ___the___ improvement on the telephone. The telephone that Alexander Graham Bell invented in 1876 could not work over distances of (6) __more___ than 3 to 5 kilometers. After hundreds of experiments, Edison improved the telephone that (7) ____it____ could carry speech clearly over long distances. In March 1878, Edison’s telephone system connected to New York City to Philadelphia, Pennsylvania, a (8) ___distance____ of 302 km.
Throughout his career as an inventor, Edison was well-known for his focus and determination. He focused on his work so much that he spent little time with (9) ____his___ family. He avoided most social situation, and often (10) ____wore____ dirty shirts and working clothes.

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