seven o'clock
rang out in perfect unison from over seven hundred young throats . Then Cadet Lieutenant Sam Blair stepped to the front and proposed , `` Three cheers for the winning company , and its cadet lieutenant , '' which were heartily given . `` What 's the surprise , Helen ? '' asked Robert that evening at seven o'clock as he entered the Blunt house . `` I wo n't tell you ; you must find out for yourself , '' replied Helen happily ; `` come into the drawing-room . '' `` Mother -- father -- oh , what a happy surprise , '' cried Robert a moment later . `` Captain Blunt , you have had my mother and father come to my graduation ! ''