sales of cars up by 30% last year, the traffic in Beijing has become increasingly terrible.

A. With             B. Since                      C. For                       D. As

 Mark needs to learn Chinese _______ his company is opening a branch in Beijing.

A. unless          B. until             C. although            D. since

 His spare time is made full use_______ law.

A. to study             B. study         C. of studying     D. of to study

You have to believe in yourself. Self-confidence is _____ to success.

A. essential                 B. combined                 C. similar          D. compared

 —Well, I do think the ipad is smart, convenient and intelligent.

—________.

A. So it is       B.So is it      C. So does it               D.So it does

 Paper bags produced every year are ______ the world’s production of vehicles.

A. as three times heavy as　          B. three times weight of 

C. three times the weight of              D. three times as heavier as

 The lady said she would buy a gift for her daughter with the ________.

A. 20 dollars remained               B. 20 dollars to remain 

C. remained 20 dollars               D. remaining 20 dollars

 ______enough time, we didn’t finish the work.

A. Not there being     B. There being not      C. There not being     D. There wasn’t

 The new teacher made a good____ on the students by her rich knowledge and humorous talk.

A. feeling          B. effect         C. impression          D. expression

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 tried a(n)      . I started asking people around me how they were doing, and if they were having trouble I could      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      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      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. 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. dare           B. offer    C. hesitate        D. happen

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. heartbroken 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