完形填空。 Nobody can be happy all the time. You may become unhappy sometimes.1______, when you fail an exam. Or you may become sad when you lose one of your friends or relatives. It's 2______ to have these feeling. If you don't know how to solve these problems, you may 3______ something from Jeff. Jeff almost went mad when his 4______ was killed in a car accident. He 5______ play soccer or go to the movies with his friends. Instead, he just sat in his bedroom and didn't talk to 6______, even his parents. Jeff felt that the world was unfair. He was quite angry with the driver 7______ his car hit his brother, even though it was an 8______. After a few months, Jeff began to understand it was useless to be angry. Now he still 9______ his brother, but he doesn't hate the driver any longer. He is beginning to talk to his parents and this makes them happy again.He doesn't 10______ in his room by himself any longer. Instead, he goes to the movies or plays sports with his friends and he is feeling better now. (     )1. A. For example (     )2. A. unusual (     )3. A. stop (     )4. A. friend (     )5. A. refused to (     )6. A. somebody (     )7. A. although (     )8. A. experience (     )9. A. helps (     )10. A. live B. In fact B. normal B. learn B. mother B. decided to B. everybody B. so B. experiment B. misses B. play C. Above all C. likely C. protect C. father C. planned to C. anybody C. because C. accident C. likes C. lie D. After all D. strange D. hear D. brother D. tried to D. nobody D. while D. instruction D. respects D. stay