four o'clock
asked Laura , looking astonished . `` My father said it would be an imposition to ask you boys to make four round trips this afternoon , and as many more to-night , so he has engaged one of the hotel launches to take us over , and to call for us this evening . You do n't mind , do you , boys ? But we would like to have you here at half-past four o'clock to go across the lake with us . '' `` We 'll be here , '' Dick promised promptly . Six high school boys watched the girls drive off in the farm wagon , waving handkerchiefs and parasols back to the boys . `` Two o'clock , '' remarked Dick , looking at his watch .