i want to be a model student. what shall i do? i should be polite. i should study hard. i should capful and helpful. i should walk in the corridors. i should throw ruish in the bin. i should be quiet in the library. i shouldrsquo;t walk and run on the gra. i shouldrsquo;t throw ruish on the floor. i shouldrsquo;t run in the corridors. i shouldrsquo;t fight. i shouldrsquo;t be noisy in the library.