We must do everything possible to prevent such things from__

We must do everything possible to prevent such things from__ We must do everything possible to keep them ____(safety) 改被动语态：we must do everything possible to keep environment cle 连词成句：things、can、we、prevent、many、the flu、do、to . We must do our best to prevent that kind of thing( )again at present there must be nothing we can do to prevent the ju What should we do to prevent AIDS What should we do to prevent AIDS? we must take some measures to prevent the environment being Something must _____(do) to prevent flood from ______.(happe I will do everything possible to help you An ambitious person will do everything possible to ---------