如: 某完形填空题的首句“ While high school does not generally encourage students to explore new aspects of life, college sets the stage for that exploration”为本文的主旨句，说明本文的主旨是大学生探索生活新的方面
I learned that Freddy did several jobs after his graduation from high
school and remained the same person I met forty years before.
Once, while working overnight at a store，he let a homeless man 54 ( sleep) in his truck. Another time, he 55 (lent) a friend money to buy a house.
53. A. daring B. modest C. caring D. smart