题目

In 1970, at the age of 35, my father was diagnosed with Parkinson’s disease. There was not much    36     done at that time and my father had to     37     the medication and treatment that were available at that time. But one thing was     38     , my father was not a quitter. He was a teacher who     39     children with special educational needs in Chicago Public High School. Every day we would hear     40    about “his kids”. These “kids” did not usually     41     my sister and I. One day, my father arrived at his school a观察图形，把你的发现告诉大家，我发现了：（    ）