The ways to make waste water clean have been found by them.翻

The ways to make waste water clean have been found by them.翻 They have found ways to make waste water clean 改被动语态 They have found ways to make waste water clean. 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? They have found a way to make waste water clean.如何让改为被动语态 People won't have access to clean drinking water ,the waste as people found other ways to make them work 翻译 People have found some ways to get ___(drink) water from sea ()their problems can make them worry,()l still have ways to In what ways has water been important to the UK and how the 英语语法dose the way you thought of to make the water clean make