Two o'clock
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 . `` Suppose we take a spin up the lake ? '' `` Or go back to camp , to make it more ship shape ? '' suggested Tom Reade .