six o'clock
`` Yes ; that 's to be your room , '' said the doctor . `` And I 've got three pairs of boots . I mean two pairs of boots , and one pair of shoes , '' cried Dexter . `` One pair on , and two in the bedroom ; and I shall get up at six o'clock every morning , and clean 'em , and I 'll clean yours too . '' `` Hem ! '' coughed the doctor . `` No , my boy , your boots will be cleaned for you , and you will not have to dirty your hands now . ''