Everboby should do many things to prove that we are useful person.Most person probably think to be a useful person is very hard.In fact,to be useful is very easy.
For example,at school,we can prove it.How to prove?we can do our exam well to prove.And study hard ,do our homework carefully,linsten to teacher in class,we do them everyday.
It is at shool ,we also to prove at home.At home,we can help our parents to do housework.Such as,sweep home ,tidy up rooms on.They all can prove the standpoint.
To be a useful person is very easy.You shold belive you,it is very important!So if you hear someboby says you are not useful person,you can do my say.I think you will happy.