题目内容：

阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

That holiday morning I didn’t have to attend school. Usually, on holidays, Mother____me to sleep in. And I would certainly take full advantage of it. On this particular morning, ______,I felt like getting up early.

I stood by my window overlooking the ______, having nothing better to do. But as it turned out, I was soon to learn about something _____ in life.

As I watched several people go by, get into their cars and go off, I _____ an old man on a bicycle with a bucket on its ______ and a basket rags and bottles on its back-carriage. He ______ from one car to another, washing and cleaning them. From the water on the ground, it seemed that he had already ______ washing and cleaning about a dozen or more cars. He must have begun to work quite early in the morning.

Several thoughts ______my mind as I watched him work. He wasn’t well-dressed. He had on a pair of shorts and a(n) ______ T-shirt. The bicycle he rode was not by any means the kind modern _____would want to be seen riding on. But he seemed_____ with life. There he was, working hard at his small business, ______ at passers-by and stopping to chat now and then _____ elderly men and women on their way to the market nearby.

There was a noticeable touch of_____ in the way he seemed to be doing things— _____the windscreen, then standing back to admire it; scrubbing the wheels and _____, standing back to see what they look like after the scrub.

It was a _____ to learn, I felt. At no age need one have to beg for a ______if one has good health and is willing to work hard. For a while I felt ____ of myself. Young as I am—just sixteen, and there was this old man who must have been usefully engaged perhaps before the sun appeared above the horizon.

1.A. forces    B. allows    C. causes    D. forbids

2.A. otherwise    B. therefore    C. however    D. besides

3.A. parking lot    B. bus stop    C. school    D. market

4.A. interesting    B. surprising    C. awful    D. useful

5.A. noticed    B. recognized    C. called    D. assisted

6.A. back    B. handle    C. wheel    D. seat

7.A. searched    B. left    C. moved    D. wandered

8.A. stopped    B. started    C. intended    D. finished

9.A. crossed    B. slipped    C. disturbed    D. inspired

10.A. attractive    B. shiny    C. simple    D. expensive

11.A. repairmen    B. businessmen    C. drivers    D. cyclists

12.A. busy    B. content    C. careful    D. bored

13.A. waving    B. looking    C. laughing    D. pointing

14.A. about    B. for    C. with    D. like

15.A. worry    B. respect    C. sympathy    D. pride

16.A. cleaning    B. fixing    C. replacing    D. covering

17.A. still    B. yet    C. again    D. soon

18.A. lesson    B. subject    C. skill    D. fact

19.A. business    B. living    C. success    D. right

20.A. tired    B. doubtful    C. fearful    D. ashamed