ten o'clock
Stephen , who had been too much elated by the result of the real examination to recollect for the moment the trickery of the sham one , now blushed very red as he remembered what a goose he had been , and undertook to obey the Doctor 's order . And this it was very easy to do . For as he opened the study-door he saw Pembury just outside , leaning against the wall with his eyes on the clock as it struck ten . As he caught sight of Stephen emerging from the head master 's study , his countenance fell , and he said eagerly and half-anxiously , `` Did n't I tell you ten o'clock , Greenfield ? '' `` Yes , but the Doctor said half-past nine . And you are a cad to make a fool of me , '' added Stephen , rising with indignation , `` and -- and -- and -- '' and here he choked . `` Calm yourself , my young friend , '' said Pembury .