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最佳答案:environment in beijing has been improved. we have fresh air and blue sky here.
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最佳答案:When I was young,I used to live in a village.I felt quite comfortable there for
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最佳答案:This summer to Qingdao.Where the sea is very blue,the air is also good.Early in
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最佳答案:这些还要靠自己呀,不会就查字典呀
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最佳答案:We have good quality air.