阅读短文,根据短文内容从A、B、C、D四个选项中选出最佳答案。
I had never been much interested in sports. I had tried playing tennis, swimming and running but found nothing I liked. But 10 years ago, I found the right kind of exercise--- 41 .
Why did I start walking? At the age of twenty, my doctor told me I had a serious illness and 42 not live longer. I was so 43 then. I spent all of my life worrying. The doctor suggested that I should 44 . I didn’t listen at first. 45 , after several months, I began to get the meaning of the doctor’s words. While I was walking, I began to 46 flowers. I would stop and enjoy their beauty. I 47 found that I had missed the most beautiful part of life--- flowers, falling leaves, snow-covered houses. I had been wasting time worrying about 48 .
Now I’m 35, and I don’t worry any more about 49 may happen, Worry only makes me miss the good things in 50 . I want to say hello to everything because I’m living a new life.
A.skating B.fishing C.riding D.walking
A.must B.need C.may D.should
A.happy B.worried C.excited D.bored
A.take more exercise B.watch more TV C.play computer games less D.have enough sleep
A.If B.So C.Unless D.However
A.notice B.water C.pick D.plant
A.usually B.early C.quickly D.normally
A.pressure B.death C.study D.work
A.what B.when C.why D.where
A.season B.life C.book D.family