five o'clock
Regretfully , the boys escorted the high school girls down to the road , assisting them and Mrs. Bentley into the car . `` To-morrow evening , then ! '' called Mrs. Bentley . `` Be at the hotel by half-past five o'clock , wo n't you ? '' `` Without fail , '' Dick smiled back , `` unless circumstances beyond our control prevent us . '' Good-byes were eagerly called , Dr. Bentley warmly expressing his thanks to Reade and Hazelton for their assistance . Then , with a warning honk , the big car started away .