always speak English in class use a dictionary to check your spelling never laugh at other people's mistakes do your homework every week don't bring food into the classroom turn off your mobile phone don't speak when another student is speaking always bring your books to class https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_green.swf