talk class Dont talk in class
Don't talk in class. × class talk
( 对气鸟 eat Dont eat in class
Don't eat in class. × eat
throw waste paper Don't throw waste paper on the floor
Don't throw waste paper on the floor. × throw waste paper
draw wal Dont draw on the wal
Don't draw on the wall. × draw wall
footbal road Don't play football on the road
Don't play football on the road. × play football road