I was always told that the three Ps, patience, positive thinking and perseverance, were a sure path____success. But this piece of advice does not always work as planned. My high school math exam is one example. The exam， ____ was originally to be held in our classroom, ____(change) to the library at the last minute. This, ____, didn't bother me because math had always been my strongest subject. I patiently walked to the library, took my seat and took a deep breath to help relax ____. But my mood quickly changed when I saw____first question. I had no idea how to do it. I tried to stay positive and preserved____ I finally found the solution. With the problem____ (solve), I felt proud of my achievement. ____ (fortunate), I then notice that I had just 10 minutes left ____ (complete) the rest.