As is known to all,___ there is pollution ,there is harm.A.where _英语解答

As is known to all,___ there is pollution ,there is harm.A.where B.that where
B 为什么

人气：187 ℃　时间：2020-03-19 20:44:40

解答

这一句话里面,As is known to all只是一个插入语,只看 ___ there is pollution ,there is harm.
所以缺个主语,只用where就够了