eleven o'clock
She crept quietly along the hall , treading with the cautious steps of one who wishes to escape observation ; but her precautions were in vain , for just as she was passing the door of the morning-room it was thrown open from within , and Agnes appeared upon the threshold -- Agnes neat and trim in her morning gown of serviceable fawn alpaca , her hands full of tradesmen 's books , on her face an expression of acute disapproval . `` Going out , Margot ? So early ? It 's not long past eleven o'clock ! '' `` I know ? '' `` Where are you going ? '' `` Do n't know ! ''