题目内容：

About two years ago, I was at a stop sign when I heard whimpering (微弱的狗叫声) coming from inside a car parked on the street next to me. It was very         and the dog was trying to get some of the cooler fresh air outside the car. Without thinking I          my car and got out to help him.

The car was locked and there was no way to          the dog. Thinking of the irresponsible owner I became          . I didn’t know if I should          the window and take the dog or try to contact (联系) the owner. Just then, I        a police car on the opposite side of the street. I ran out and flagged it down.

When the police officer helped open the door, the dog          both of us and ran quickly behind the house the car was parked in front of. We          the dog to make sure he was OK. Then we saw        the dog had run: The dog’s owner was        in the middle of his garage.

Apparently the man had a condition that caused him to have a(n)          . This one was particularly          and required medical attention. After the incident I learned that had I not        , both the dog and the man would likely have died. I was overcome with        and my eyes swelled up. I realized how much of an effect you can have on other people’s lives by doing the          thing. I was so quick to          assuming the dog’s owner was neglecting (疏忽) his pet. And had the police officer not have been around I may have just left a(n)        on the car after I took the dog.

I cannot          what I would feel if I knew that man had died because of any number of things that may have went        . It made me understand that things are not always as they           .

1.A. hot          B. dark       C. quite      D. dry

2.A. drove         B. parked    C. took       D. locked

3.A. find         B. save      C. walk       D. touch

4.A. sad           B. bored     C. puzzled    D. angry

5.A. break         B. open       C. clean      D. replace

6.A. hit           B. called     C. stopped    D. noticed

7.A. disappointed B. frightened C. surprised D. excited

8.A. went after    B. looked after  C. shouted at  D. pointed at

9.A. how           B. why       C. when        D. where

10.A. lying       B. sleeping C. standing    D. working

11.A. opportunity B. rest      C. attack     D. fight

12.A. bad          B. strange    C. important  D. clear

13.A. known        B. continued  C. stayed     D. helped

14.A. uncertainty B. anxiety   C. exhaustion  D. emotion

15.A. right       B. hard      C. risky       D. big

16.A. act          B. judge      C. blame      D. agree

17.A. note         B. address   C. mark        D. number

18.A. believe     B. imagine   C. face       D. remember

19.A. quickly     B. perfectly  C. differently D. smoothly

20.A. seem        B. happen     C. expect      D. prefer