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，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。

When my son Gene was about 12 years old, I started helping him learn to     . I bought twenty chickens and asked him to          them. I told him that they would be his own chickens and we would     the eggs from him. However, he would have to buy chicken    with the money he made from the eggs. Whatever money was    would be his to keep. Gene was     , thinking he would make his first     .

After several weeks’ successful work, I began to         that egg production was going down. I    nothing about it. Then one night, Gene told me he didn’t have    money to buy the feed. He said the chickens had never        a meal and he could not figure out why some of them had stopped     eggs.

Then I asked him if he had    the amount of feed he had given the chickens, he was     . It was like he did not think anyone would ever     what he had done. After a long   , he said yes. He thought he would make more money if he gave them    food. I asked him, “Did you fool the chickens?”

I was just astonished at the question in my own    . I was dumbfounded (惊呆) at the    of it. Yes, you can fool everyone else, but you cannot “fool the chickens,” because    , you will find out, as the saying goes, “What goes around comes around.”

1.A. work B. shareC. countD. cook

2.A. play B. observeC. trainD. raise

3.A. saveB. borrowC. buyD. keep

4.A. nestB. soupC. meatD. feed

5.A. given backB. left over C. picked upD. brought in

6.A. satisfiedB. worriedC. excited D. cautious

7.A. fortune B. contributionC. deal D. choice

8.A. hearB. noticeC. predictD. spot

9.A. saidB. criticizedC. thoughtD. reminded

10.A. privateB. muchC. pocketD. enough

11.A. missedB. wastedC. enjoyedD. finished

12.A. hatchingB. layingC. gatheringD. bearing

13.A. balancedB. increasedC. reducedD. measured

14.A. delightedB. disappointedC. confusedD. shocked

15.A. forgiveB. knowC. researchD. accept

16.A. silenceB. absenceC. negotiationD. discussion

17.A. fewerB. fresherC. moreD. less

18.A. lifeB. jobC. mind D. case

19.A. explanationB. trickC. significance D. example

20.A. actuallyB. finallyC. ratherD. instead