The teacher says
Do exercise A
The teacher says
sit down!
The teacher says
Open your books, please
The teacher says
Please, stop talking!
The teacher says
Go to page 84
The teacher says
Close the door!
The teacher says
Stand up
The teacher says
Look at the board.
The teacher says
Answer the questions.
The teacher says
Turn off your phone
The teacher says
Read the text
The teacher says
Listen and repeat.
The teacher says
Work in pairs (or groups)