The sand must be stopped( )towards the rich farmland.

They were the first people ____ in this rich farmland the river smells terrible,people must be stopped from throwi the car must be stopped when the traffic lights are red 中的mu Dirty water must be stopped from dumping into the river.同义句 towards the the man over there must be very rich.I ofen see him wearing must be stopped from doing I stopped by the bank. I must change some money. Don't be nervous!Jump over the sand!怎么翻译? circle in the sand The younger should be ______ towards their elders and teache The rainstorm stopped the day before yesterday（be over）