eight o'clock
` I am glad to hear that ; she will look after you , and it 's much better to have some older person with you , for you are all very young to be householders , ' said the old woman , going on with her dusting . ` Have the letters come , Mrs. Ryan ? ' inquired Stella anxiously . ` Yes , they get here by eight o'clock ; they are in the letter-box , ' replied the housekeeper . ` Where is the letter-box ? ' asked Stella . Mrs. Ryan looked a little surprised at the question as she replied , ` On the door . '