连词成句。(注意字母大小写和标点符号)
【小题1】is, useful, water, very(.)
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【小题2】comes, it, from, sea, the(.)
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【小题3】water, use, put, to, out, fires, firemen (.)
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【小题4】use, to, grow, water, crops, farmers (.)
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【小题5】we, use, how, water, do(?)
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