i have something important to do with the pollution 同义句转换we have done something important to ———— ———— the pollution,

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i have something important to do with the pollution 同义句转换we have done something important to ———— ———— the pollution,
i have something important to do with the pollution 同义句转换
we have done something important to ———— ———— the pollution,

i have something important to do with the pollution 同义句转换we have done something important to ———— ———— the pollution,
deal with 处理,应付