The old postman _____ letters every day however bad the weather is.[ ]

下列文化常识的解释不正确的是（ ）

The information you give in the application is too general. You should _______ something special about yourself.

Do you know_______ this pencil case is – Let me see. Oh, it’s_______.

The family wrote a letter to the organization to express their _____ for help.