we should do our best to prevent these rivers from _____(pollute)我不会,
问题描述：
we should do our best to prevent these rivers from _____(pollute)我不会,
答
pollution，污染，名词
答
今天要去拿这一年的成绩单,我想问一下：要拿什么去上学？ 紧急
答
polluting
prevent sth from doing sth
保护.免受.的侵害
我们应该尽全力保护这些小河,避免被污染