What's this?
Sit down.
Sit up straight.
What's this?
Take out a pencil.
Stand up.
What's this?
Take out your book.
Take out your pencil.
What's this?
Put your hand up.
Stand up.
What's this?
Line up.
Stand up.
What's this?
Line up.
Put your hand up.
What's this?
Sit up straight.
Stand up.
What's this?
Sit up straight.
Pay attention.