He was a professor. At the age of 90, he still worked eight hours every day regardless____the weather.

    His secretary said, “He was extremely old, but he forced himself to walk from his living place to the office through two blocks____would lake him an hour to do so but he insisted because it made him get a sense of____(succeed) .”

    One day, a university student____(step) out of his office with a pile of books. He complained. “He always answers my questions with just a yes or no. However, he always gives me dozens of books and suggests me____ (find) the answer on my own.”

    By chance, the professor knew____the student complained about. He explained to him with a smile, “This is the method I have learnt—the____(hard) you work independently, the better solutions you will find. If you can make full use of the books, you will____(probable) become a good lawyer in the future.”

    This 90-year-old man was Pound____was the president of Law College of Law College of Harvard. He believed “all slopes are easy____ (go)”, of which he often reminded his students.