第二节 完型填空
阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。
The measure of a man's character is what he would do if he knew he would never be found out. —Thomas Macaulay
Some thirty years ago, I was studying in a public school in New York. One day, Mrs. Nanette O'Neil gave an arithmetic【C1】______to our class. When the papers were【C2】______she discovered that twelve boys had made the same mistakes throughout the test.
There is really nothing new about【C3】______in the exams. Perhaps that was why Mrs. O'Neill【C4】______even say a word about it. She only asked the twelve boys to【C5】______after class. I was one of the twelve. Mrs. O'Neill asked【C6】______questions, and she didn't【C7】______us either. She wrote on the blackboard the【C8】______words by Thomas Macaulay. She then ordered us to【C9】______these words into our exercise-books one hundred times.
I don't【C10】______about the other eleven boys. Speaking for myself I can say: it was the most important single【C11】______of my life. Thirty years after being introduced to Macaulay's words, they【C12】______seem to me the best yard-stick(准绳), because they give us a【C13】______to measure ourselves rather than others.
【C14】______of us are asked to make【C15】______decisions about nations going to war or armies going to battle. But all of us are called【C16】______daily to make a great many personal decisions.【C17】______the wallet, found in the street, be put into a pocket or turned over to the policeman？ Should the【C18】______change received at the store be forgotten or【C19】______？ Nobody will know except【C20】______. But you have to live with yourself, and it is always better to live with someone you respect.
【C1】

A. test
B. problem
C. paper
D. lesson