1. Unit 1: Going to School Theme 1: Good Students

2. share – to let someone use something you have
I will share my snack with you.

3. friend – someone you get along with
To have a friend, you must be a friend.

4. invite – ask someone to do something with you
I hope that you invite her to your party.

5. responsibility – something you must do
It is your responsibility to practice and follow rules.

6. cooperate – work together with someone else
If we cooperate, everything will turn out better.

7. Always be on your best behavior.
behavior – how you act
Always be on your best behavior.