A ________ immune system is necessary to fight viruses.

My parents make me ______ to do my best in my studies.

Young people get _________ easily

A real friend cannot afford to say _________ words to his or her friend.

1. The best way to be ____ is being contented.

Saying ____ words to children is not good.

Young people feel ____ to be with their parents.

You should be ____ for the blessing that you receive.

Children often feel ____ whenever they make a mistake.