Settle down.

Leave that alone now.

Please tidy up.

Clean off your desk.

Clean up your desk.

Pay attention, please.

May I have your attention, please?

Listen up.

Eyes to the front.

Eyes on me.

Eyes on the board.

Turn around and face me.

Turn and face the board.

Look to the left.

Look to the right.

Don't wander off on your own.

Listen to what she is saying.

No way.

Give that to me, please.

Stay in your seat.

Can you see the board?

Put your pencil down.

Hold your book up.

Stay where you are.

Next, please.

Whose turn is it to read?

Who hasn't answered yet?

Students, could you sit down, please?

Can you four work together, please?

Let David say something, too, please.

What happens to teams who are too noisy?

You've been talking too much about things not related to the lesson.

You are off topic.