I was a high school student then, from low-income 76. ______ family. So I have to work to support my family. My 77. ______ first one job was to clean the tables in a small restaurant. 78. ______ I still remember going there early and felt anxious about 79. ______ the new world. I worked harder because I was afraid of 80. ______ losing the job. At night, I was sometimes very tired to do 81. ______ my homework. And I came to understand that was not 82. ______ easy to earn money, and that knowledges could change 83. ______ my life. So what I learned from the job, in a hard 84. ______ way, was much more important as what I earned. 85. ______