Some old customs,（）many of you are too young to know,have al

Some old customs,（）many of you are too young to know,have al Many of -----are young and some are old many of them are young and some are old 为什么要用some 1.Many old customs are d___ ___. you are too young to go to school(改为同义句）you are______ young I have many books.Some are new,()are old. You are never too old to you are never too old to study Many young people have too much (p )to Do you know there are many kinds of grass? Some are tall. Th some of them are old and some of them are young.There women some young men have the best of everything,but they are to b