B. 根据课文的内容在每个空白处填入一个恰当的词。

I had planned to stay at this job for only two days. But now I’m going to stay. The exercise is great. The lifting gets easier with every load,61  if my left shoulder stays sore. I become faster and neater as time goes62 . I’m outdoors in clean air. And, contrary63 what people think I don’t get dirty on the job.

I have64 up my mind, too, to go on saying hello in backyards. It doesn’t

65  any harm, and it still feels fight. Frankly, I’m proud. I’m doing an essemial task, “like a police officer or a fire fighter.” I left this country a little cleaner66  I found it this morning. Not many people can say that tonight.

 John Gardener has said that a society67 praises its philosophers and looks down on its plumbers is in for68. “Neither its pipes nor its theories will hold 69 ,” he warns. He might have gone a step further and called70 respect for both our economists and our trashmen; otherwise they’ll both leave trash behind.

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