four o'clock
The two girls held a long whispered conference together during the interval . `` I ca n't possibly go and pay Parker 's myself , '' said Gwen . `` You 've no idea what a row I got into last night for missing the bus . Winnie 'll keep an eye on me to-day at four o'clock , I can assure you . Could you go ? '' `` Very sorry , but I 've got to go straight home too . Some cousins are coming to tea , and I have to ask Miss Evans to let me out of the drawing class ten minutes earlier .