There was a story about Ken Davis, a man who found a simple way __11__ (enjoy) his work. He had a variety of jobs and __12__ (like) them at all. While Ken was working __13__ a doortodoor salesman, he noticed that at least half of __14__ customers had brokendown doorbells. And suddenly, Ken's life career became clear. He opened his own doorbell repair service. Ken's wife laughed when she first heard his idea. When she __15__ (realize) he was serious, she cried. Whoever heard of making a living by repairing doorbell? But Ken was making __16__ comfortable living at his unique job, a