题目内容：

    A few days ago, I observed a teenager doing yardwork that his dad had told him to do. Instead of doing the task______, he wandered around there for hours,______ to himself and doing a bad job.

The person he hurt the most was himself. His dad was trying to teach him ______and how to do a good job. As a result of his______attitude, he spent the whole afternoon finishing a task that should have taken one or two hours. And the yard ______ wasn't clean enough when he got through.

He______his day because of his attitude. And his dad was ______with him, and the boy's bad mood ended up______ the whole family that day.

A sweet lady was working in a fast-food________. The minute I walked in, she welcomed me____. She smiled as she took my order, and then as we________ for the food, she talked with me. As I walked off with my tray, she said with a big ________, “I hope you have a blessed day!” I think the food tasted better because of her________. There was a delay, during which I sat there hearing her singing as she________ her tasks behind the counter.

She wasn't making a large salary, and she didn't have a powerful________, either. In addition, she stood on her feet for a long shift each day, often dealing with ________customers. But she chose to be joyful.

I want to________from her. I want to do my best, even when there's no ________ or glory. Other people are watching me_______ I might not realize it at the time. I want to bring joy to all those around me. A(n)_______can make a great difference.

1.A. gradually B. happily C. secretly D. silently

2.A. responding B. applying C. explaining D. complaining

3.A. goodness B. safety C. responsibility D. gardening

4.A. poor B. positive C. strange D. efficient

5.A. almost B. even C. still D. ever

6.A. lost B. ruined C. perfected D. changed

7.A. upset B. pleased C. Impressed D. satisfied

8.A. breaking B. benefiting C. affecting D. controlling

9.A. factory B. restaurant C. supermarket D. shop

10.A. warmly B. proudly C. seriously D. coldly

11.A. looked B. asked C. waited D. struggled

12.A. shout B. smile C. cheer D. decision

13.A. experience B. trust C. Courage D. kindness

14.A. performed B. started C. discovered D. planned

15.A. appearance B. motivation C. position D. effort

16.A. ordinary B. Painful C. important D. difficult

17.A. escape B. learn C. hear D. differ

18.A. applause B. regret C. sadness D. forgiveness

19.A. now that B. in case C. even though D. as if

20.A. lifestyle B. attitude C. habit D. attempt