Choose and read a) what techers do; b) what pupils do. give nicknames, ask clever questions, answer silly questions, read detective stoties in the lesson, draw funny pictures ion the blackboard, listen to a walkman in the lesson, discuss different problems, enjoy learning english, expain dull grammar rules, work hard, learn poems by heart, have holidays many times a year, be very polite, talk loudly during the break, do homework ebery day, copy long sentences, give bad marks, get good marks

a) what teachers do: ask clever questions, answer silly questions, discuss different problems, explain dull grammar rules, be very polite, give bad marks.
 b) what pupils do: give nicknames, read detective stories in the lesson, draw funny pictures on the blackboard, listen to a walkman in the lesson, enjoy learning English, work hard, learn poems by heart, have holidays many times a year, talk loudly during the break, do homework every day, copy long sentences, get good marks, be very polite.