阅读短文，掌握其大意，然后从每小题所给的四个选项中选出一个最佳答案。
Do you think hard work always pays off? What have you got by working hard? Here is a story about how I became1 .
I'm a very smart person who has spent almost 10 years2 mechanics (机械学), but I have no formal (正式的) education. I always tried my best to make people3 me. However, I never made it.
This year I have just taken another factory job with a little4 pay than my last one. I was making $13.50 an hour at my last job and even had a hard time living. Although I was paid more, I still lived5 . But as long as you held on and didn't6 , you would succeed one day. My7 finally arrived.
Three months ago, my neighbor bought a used car that everyone thought it had some8 problems. After taking a look at it, I said that I would be able to9 . It turned out that I10 him $2,000 that he expected to pay to rebuild it. He was surprised at my work and told many of their, friends about me. So I got a lot of new11 .
In about two months more people came to me for work and I was making great money. Then12 I got a job through one of my customers (顾客). I was able to let them believe in me by solving13 problems quickly. They offered me another job that started even higher. I finally improved my life.
In one year's time I went from being in the worst condition to having customers begging (恳求)me to work for them. Now I can honestly say I feel truly proud of myself and my14 .
So everyone, remember not to give up your dream easily because15 will come to you in the end with your hard work.