关于food800的作文知识

Foodisimportanttous.It’sourdutytosavefood.Todayfoodwasteisabigproblem.Once,whileIwaseatinglunchattheschooldininghall,Isuddenlyfoundthatthestudentbesidemethrewhismealawaywithoutsayingaword.Hedidn’tev...