We must do something ________the river.A.stop polluting B.to

We must do something ________the river.A.stop polluting B.to We should do something to stop polluting polluting 后是否还要加上名词 Something must be done_____ (stop)polluting the river. we must do something to stop people from______. How dirty the water is! Yes, we must do something to stop th "we must do something to stop the population."与另一个句子如何同意句转换 We must do something( )(stop) the ( )(chemistry) factory fro We must stop ( ) our river.A.the pollution of B.pollution C. factories must stop ___________ the environment A polluting The government must do something to stop the prices of the b We should do something to stop the water ____(the state of b We must stop polluting the water.(划线部分提问)__must we stop____?