Site is suitable for mobile use, giving students greater flexibility in where and when they can access it.An updated interface allows easy navigation around the activities, tests, resources, and scores.NEW Critical Thinking Videos expand on the Critical Thinking Strategies in the Student Book.Extensive Reading program helps students improve their vocabulary and reading skills.Practice activities provide essential skills practice and support.Automatic grading and progress reports show students what they have mastered and where they still need more practice.Discussion Board to discuss the Unit Questions helps students develop their critical thinking.Writing Tutor helps students practice their academic writing skills.