ten o'clock
I saw it in the way she looked at you . '' At this Billie brightened and glanced up hopefully . `` Well , I 'm glad if there 's something she can like about me , '' she answered , and just then the gong echoing through the hall , sent them scurrying to their classes . In the excitement of the scene with Amanda the girls had almost forgotten their mysterious engagement for ten o'clock that evening . But when they did think of it again it had the effect of making them forget everything else . The afternoon dragged on , evening came with supper , and then at last they were in the dormitory , pretending to undress with the other girls , while they really left most of their clothing on . When everything was dark and the whole place seemingly asleep , they got out of bed quietly , stole softly down the stairs , and finally came out into the moonlit night .