ten
o'clock
I will import as many chaperons as you please , but I will not leave this island . '' `` I am afraid , '' he answered smiling , `` that there are other people who would have something to say about that . Your stepmother is already anxious . I have promised that you shall be back at the Hall by ten o'clock . '' The gaiety suddenly faded from her face . Her lips , which had been curved in laughter , quivered . `` You mean that ? ''