高考问答剑网三设定集安史之乱:英语问题
来源：百度文库 编辑：高考问答 时间：2024/07/04 21:41:01
2\ there is less pollution in the water because people have planted more trees.
the water ___ ___ ___ ___it is today because there were not so many trees.
改写句子，句意不变
the water ___ ___ ___ ___it is today because there were not so many trees.
改写句子，句意不变
not as pure as
had more pollution than
was more dirty than