_i want to be a model student. what shall i do? i should be polite. i should study hard. i should capful and *ful. i should walk in the corridors. i should throw rub*sh in the *n. i should be quiet in the library. i shouldn’t walk and run on the grass. i shouldn’t throw rub*sh on the floor. i shouldn’t run in the corridors. i shouldn’t fight. i shouldn’t be noisy in the library.___