sentences:  Depressed, with the knowledge that he cannot recharge his head any more, Ernest starts packing his things until he finds three of his friends mocking him.They force Ernest haplessly through days of study for the final exam, but Ernest proves hopeless, though his friends continue to help him.On the day of the big exam, Ernest is about to go in, but before he does, the scientists return and tell him excitedly that the brain accelerator has been repaired.