题目

. 第二节 完形填空（共20小题，每小题1.5分，满分30分） I did very badly at school. My headmaster thought I was  36   and when I was 14 he said, “You’re never going to be   37   but a failure.” After five years of   38   jobs, I fell in love with a very nice middle-class girl. It was the best   39   that could have happened to me. I   40   I wanted to do something positive (积极地) with my life because I wanted to prove to   41   that what people said about me was   42 . Especially her mother, who had said to me, “Let’s   43   it, yo过n边形（n≥3）的一个顶点可以作________条对角线，这个n边形共有________条对角线．