eight o'clock
Ralph knew that Sister could put queer ideas into Brother 's head , and he hoped that the fun of going downtown , and buying ice-cream soda at the drug store , might cause Sister to forget whatever she had in mind . When he came home from his tennis game he found both children playing in the sandbox , and as they were very good the rest of that afternoon and evening and all day Sunday , Ralph decided that Sister was not going to be naughty or get Brother to help her to do anything she should not . Monday evening Mother and Daddy Morrison went through the hedge into Dr. Yarrow 's house to visit the doctor and his wife . Brother and Sister were told to run in and visit Grandmother Hastings until eight o'clock , their bedtime . `` Can we take Brownie ? '' begged Sister . `` Grandmother says he is the nicest dog ! ''