look
.
stand up
.
close your book
.
open the door
.
read
.
close the door
..
sit down
.
take out your book
..
clean the board
.
May I go to the toilet?
..
point
.
put away your book
..
raise your hands
.
listen
..
write on the board
..
open your book
..
May I come in?
..
put your hands down
.