题目内容：

I used to be a very self-centered person, but in the past two years I have really changed. I have started to think about other people　　I think about myself. I am happy that I am becoming a　　person.

I think my　　started when I was at Palomar College. At first, I just wanted to get my　　and be left alone. I thought I was smarter than everyone else, so I hardly ever　　to anyone in my classes. By the end of my first semester, I was really　　. It seemed as if everyone but me had made friends and was having fun. So I tried a(n)　　. I started asking people around me what they were doing, and if they were having trouble I　　to help. That was really a big　　for me. By the end of the year, I had several new friends, and two of　　are still my best friends today.

A bigger cause of my new　　, however, came when I took a part-time job at a Vista Nursing Home. One old lady there who had Alzheimer’s disease became my　　. Every time I came into her room, she was so　　because she thought I was her daughter. Her real daughter never　　her, so I took her place. She let me　　that making others feel good makes me feel good, too.  When she died, I was　　, but I was very grateful to her.

I think I am a much　　person today than I used to be, and I hope I will not　　these experiences. They have　　me to care about other people more than about myself. I　　who I am today, and I could not say that a few years ago.

1.A. since　　B. before　　C. or　　　D. unless

2. A. famousB. simple

C. differentD. skilled

3. A. educationB. career

C. tourD. change

4.A. balanceB. homework

C. degreeD. interest

5. A. talkedB. wroteC. liedD. reported

6.A. carefulB. lonelyC. curiousD. guilty

7. A. argumentB. game

C. experimentD. defence

8.A. daredB. offered

C. hesitatedD. happened

9.A. dreamB. problemC. dutyD. step

10.A. usB. whichC. themD. whom

11. A. attitudeB. hobby

C. hopeD. luck

12. A. friendB. partnerC. guideD. guest

13. A. politeB. happy

C. strangeD. confident

14. A. botheredB. answered

C. visitedD. trusted

15.A. explainB. guessC. declareD. see

16. A. homelessB. heartbroken

C. bad-temperedD. hopeless

17. A. quieterB. busierC. betterD. richer

18.A. forgetB. face

C. improveD. analyze

19.A. forcedB. preferred

C. orderedD. taught

20. A. missB. likeC. wonderD. expect