People won't have access to clean drinking water ,the waste

People won't have access to clean drinking water ,the waste The local villagers have no easy access to clean drinking wa The ways to make waste water clean have been found by them.翻 They have found ways to make waste water clean 求教英语题Experts think we won’t have clean water to drink unless Well I won't have access to email now 大家帮忙看一道英语题Experts think we won’t have clean water to drink u 英语翻译Today,more and more people have access to the Internet t 改被动语态 They have found ways to make waste water clean. They have found a way to make waste water clean.如何让改为被动语态 Have you found ways to make waste water clean?改为被动语态 They have found ways to make waste water clean.的被动语态则怎么变?