eight o'clock
Ugh ! I ca n't bear to think of it even to this day , and she was ten million times better before she left last spring . That was the reason Miss Preston took matters into her own hands the next time , I guess . '' Just then a tap came at the door , and Miss Preston put her head in to ask : `` Can you girls do extra hard work between this and eight o'clock ? '' Had she entertained any doubts of their ability to individually do the work of three , the shout which answered her in the affirmative would have banished them forever , for the girls were not slow to guess that some surprise was afoot . `` Very well , I 'll trust you all to prepare tomorrow 's lessons without exchanging an unnecessary word , and at eight o'clock I 'll ring my bell , and then you must all put on extra warm wraps and go out on the piazza to -- look at the moon . I shall not expect you to come in till ten-thirty . ''