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最佳答案：There is a small river in my hometown. Two years ago, in a chemical factory was
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最佳答案：Xi'an is a city which has a long history and many famous attractions .I have bee
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最佳答案：在两年前,我去了韩国济州岛.two years ago,i went to Chejudo in south korea.济州岛的风景十分的美丽,天很蓝,水很清
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最佳答案：I met Mr. Zheng ten years ago, when he was about 70, hairs gray and smiles on th