What's this?
Stand up!
What's this?
Point!
What's this?
Write your name
What's this?
Turn around!
What's this?
Come here
What's this?
Open the door!
What's this?
Clean the board
What's this?
Open your book!
What's this?
Be quiet!
What's this?
Raise your hand!
What's this?
Clap your hands!
What's this?
Close your book!
What's this?
Close the door!
What's this?
Sit down!