1 . During my first three years of college, I put on weight quickly. Between classwork and a part-time job, I had zero time for ________. Besides, I ate a lot of fast food. Not surprisingly, I ________ a fat stomach.

After leaving college, I ________ to take exercise. Invited by a friend, I ________ working out with exercise machines three times a week. I was the kind of person who did not try something ________. I ate the same food; I did the same thing. Clearly, I ________ my routines (习惯). My friend, however, became ________. One day, he said, “We’re not getting enough exercise. We should play tennis instead.”

Me? Play tennis? No way. I was strongly against his ________. I was not good at sports and I was ________ the exercise machines. ________, weeks later, I found my-self standing on a tennis court (球场). As I held my racket (球拍), I felt ________. I ran after every ball he served to me, completely ________ about 90% of them and hitting the rest into the other court. The first few months were quite ________. But one day as the ball came flying toward me, my racket and the ball finally met in the place where it is most effective to hit a ball I watched ________ as my return landed where I had aimed (瞄准) it. I had finally ________ how to play tennis properly!