Through long-term comparisons of grades as well as of commitment to school between working and non-working students, the research finds that the students who worked 20 hours or more weekly had lower scores, cut class more often, and became less _____1_____ to school. Besides, more _____2_____ students are more likely to work longer hours, and ____3_____. But once they withdraw from work or ____4____ on their work hours, their commitment to school is renewed.The research comes up with some contributors to such effects. For one thing, working students have less time to devote to school. So they _____5______ by taking easier classes or refusing to do homework. For another, working students are too tired from work to focus their minds on study. And worst of all, their interest in study is ___6____ bit by bit, ____7____ their desire to earn big money grows stronger and stronger, thus enabling them to turn to so much drugs and alcohol for recreation as to speed up their ______8________ from school.To reverse the trend, the author makes it clear that students should _____9____ to work no more than 10 hours per week if they want to reap success from school. And above all, as the author points out, it’s time to ____10____ the myth that the great value of work takes form in our formative years.