What should we do?
… go!
… ask where it is!
… ask for one to your friend!
… ask for one your teacher!
… say it!
… buy one!
… look for it!
… we listen!
… we must be in silence!
… we think!
… we do not chat!
… we wait if we have a question!
… I run!
… I apologize! = I say ‘sorry’
… I give an explanation!
… help him / her.
… say it to the teacher / to his or her parents / to a police officer.
… sit down to your seat.
… be in silence.
… keep calm.
… be ready.
… say ‘hello’.