重新排列下列单词,组成句子.
1.beaches,everyone,keep,should,our,clean._______________________________
2.people,get,ill,may,they,when,dirty,drink water.___________________________
3.should,we,do,best,to,our,take,care,good,of,environment,the_________________
4.can,wu,stop,from,them,pouring,water,dirty,the,into,river______________
5.to,water,must,we,save,turn,off,the,when,tap,we,out,brush,teeth___________