Read the paragraph, then choose the word that best completes the sentence. Students who live in snony parts of the United States often hope for a heavy snowfall.That means a possible "snow day." when school is canceled. Soon, however ,that might change. An increasing number of schools are inperimenting with "e-days"On e-days, students complete online assignments at home. This allows classes to proceed even during bad weather. For years, virtual learning has been widely used among college students. Now online learning is being used more often for younger students as well.Teachers at one school directed their students to a Web site to play online games. The games taught kids about budgeting money.In some districts, students can ask questions online or e-mail their teachers during e-days. E-days provide schools with __ authority to mobility flexibility clarity