ten
o’clock
The maid in charge of them appeared alone . She had no doubt that the young ladies would be back directly . The master had taken them out for a little walk , before they began their lessons . He had been informed that the lady who had been appointed to teach them would arrive at ten o'clock . And what had he said ? He had said , `` Very good . '' The half-hour struck -- eleven o'clock struck -- and neither the father nor the children returned .