He must know how a thing ought to be done, and he must be on hand unexpectedly to see how its accomplishment is progressing.

Dyer should have been out of bed at first horn-blow.
One morning he slept until nearly ten o'clock.

It was inexplicable! He hurried from his bunk, made a hasty toilet, and started for the dining-room to get some sort of a lunch to do him until dinner time.
As he stepped from the door of the office he caught sight of two men hurrying from the cook camp to the men's camp.

He thought he heard the hum of conversation in the latter building.

The cookee set hot coffee before him.