Five minutes to four
The lads were saluted frequently as they passed along and they returned these salutes with customary German stiffness . No one spoke to them and for this they were duly thankful , although each spoke German like a native and ran little risk of detection on that score . Frank glanced at his watch . `` Five minutes to four , '' he said . `` Time to be moving back . '' Jack nodded . `` May as well , I guess , '' he agreed .