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 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 tried a(n) _______. I started asking people around me how 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 make 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 _______e to care about other people more than about myself. _______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. famous    B. simple    C. different    D. skilled

3.A. education    B. career    C. tour    D. change

4.A. balance    B. homework    C. degree    D. interest

5.A. talked    B. wrote    C. lied    D. reported

6.A. careful    B. lonely    C. curious    D. guilty

7.A. argument    B. game    C. experiment    D. defence

8.A. dared    B. offered    C. hesitated    D. happened

9.A. dream    B. problem    C. duty    D. step

10.A. us    B. which    C. them    D. whom

11.A. attitude    B. hobby    C. hope    D. luck

12.A. friend    B. partner    C. guide    D. guest

13.A. polite    B. happy    C. strange    D. confident

14.A. bothered    B. answered    C. visited    D. trusted

15.A. explain    B. guess    C. declare    D. see

16.A. homeless    B. heart broken    C. bad-tempered    D. hopeless

17.A. quieter    B. busier    C. better    D. richer

18.A. forget    B. face    C. improve    D. analyze

19.A. forced    B. preferred    C. ordered    D. taught

20.A. miss    B. like    C. wonder    D. expect