TEACHER : What is an island ?
Pupil : A piece of land surrounded by water except on one side.
TEACHER :On one side ?
Pupil : Yes, on top !
TEACHER :What's you name ?
Class : Alizadeh.
TEACHER : You should say "Sir"
Pupil : OK, Sir Alizadeh !
TEACHER : Sir Alizadeh, Name four members of the cat family
Pupil : Daddy cat, mummy cat and two kittens !
TEACHER : Sir Alizadeh, can you find me Australia on the map please ?
Pupil :There it is
TEACHER : Now, Ravi, who discovered Australia ?
Pupil : I did !
TEACHER : What is the plural of mouse ?
TEACHER : Good, now what's the plural of baby ?
Pupil : Twins !