题目内容
16．We can use the water we use for washing rice again to water flowers．（改为被动语态）The water we use for washing rice canbe used again to water flowers．
分析 我们能再次用我们洗米的水来浇花．
我们用来洗米的水能再次被用来浇花．
解答 答案：be used．主动语态是含有情态动词can，所以采用含有情态动词的被动语态结构：情态动词+be+动词的过去分词，use的过去分词是used，故答案是be used．
点评 本题考查含有情态动词的被动语态，平时熟练掌握其结构即可作答．
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