Well , Peter , you have to do better than that next time , won ’ t you ?   Have I really got to do those exams again , Dad ?   Of course , you have . You must try harder this time .   And must I go back to school ?   No , you needn ’ t do that . You ’ d better get a part-time job somewhere and go to evening classes .   But Dad , I should be working full-time at my age . I ’ m nearly 17 .   You ought to have worked harder then you wouldn ’ t have failed your exams . You have to take a job and study . 