阅读理解。 A 50-year-old American officer (官员) came back to his school. The teacher asked him to give a talk to the small boys and girls there. The talk was about the love of their great country. All the little ones were sitting in a large meeting-room. The old officer went up and began speaking. He said, 'boys and girls, I studied in this school forty years ago. When I was your age, we were not as happy as you are today. Think about it and answer me, why are you so happy now?' No sound came from the children. The old man waited for a long time. Then a short boy in front put up his small dirty hand. 'Good boy! Please answer me, dear.' Said the officer. With a big smile on his face, the boy stood up and said, 'if you speak long enough, we won't have maths and biology (生物学) lessons this morning.' 1. The old man came back to school _________. [     ] A. to listen to a talk B. to have lessons C. to give a talk D. to see his children 2. The officer studied in this school when he was ________. [     ] A. fifty B. ten C. twenty D. children 3. The children were ________ before. [     ] A. as good as B. as well as C. as happy as D. much happier than 4. The short boy in the front ________. [     ] A. didn't understand the question and answer it B. told the truth C. wanted to make others laugh D. wanted to make the officer angry 5. After reading the last part of the story, we know that ________. [     ] A. the short boy liked the talk very much B. all the children likee the talk C. the short boy didn't studying his lessons D. some of the children liked to listen to a funny story