There are many small things we can do to reduce the (pollute) ______ of the envi

游客2024-07-02 48

问题 There are many small things we can do to reduce the (pollute) ______ of the environment.

选项

答案 pollution

解析根据句子结构，这里需要一个名词作动词reduce 的宾语，pollute 的名词形式为pollution，意为“污染”。

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