练习册

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    Don’t w water. Please turn off the cock after you wash your hands. 2. Gold, silver and iron are all m . 3. It’s more and more important for everyone to save e now. 4. Air p is quite harmful to our health. 5. The students from a green school are helping collect waste paper and bottles for r . 【查看更多】

     

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    根据句意和首字母提示补全单词.
    1. Don't w________ water. Please turn off the cock after you wash your hands.
    2. Gold, silver and iron are all m_______.
    3. It's more and more important for everyone to save e_______ now.
    4. Air p_______ is quite harmful to our health.
    5.The students from a green school are helping collect waste paper and bottles for r________.

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