seven o'clock
By six o'clock Tom felt as though he could hardly stand up . Be wondered if his teeth were really chattering , or whether he merely imagined it . To take up his time Tom tried a brisk canter , away from the railroad . At seven o'clock he rode into Lineville . `` Tom , Tom ! '' , bawled Harry , from the centre of a group of workmen . `` We 've been looking for you !