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最佳答案：The TelephoneThe telephone is one of the most welcome and useful inventions.No w
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最佳答案：What is my favorite invention? We knew there had been many inventions at the las
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最佳答案：Before the devices that are now referred to as mobile phones existed,there were
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最佳答案：The computer is a useful machine.It is one of the most important inventions.The
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最佳答案：怎样的提示词
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最佳答案：Doing it is to make you happy with the results were going back home in about
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最佳答案：They had no paper in the world, people have to bamboo, animal bones, stone and o
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最佳答案：时间机器I will invent a time machine in the as it 's been my dream in my life. Time
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最佳答案：The phone is a very useful invention in the world, although few people have know
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最佳答案：It is next to impossible to capture a photo without a camera.A camera is a devic