New and updated texts, topics, and listenings based on feedback from American English File teachers. New Teacher Resource Center allows you to manage all course resources and teaching materials in one place online. New video listening activity integrated into each even-numbered File. These short documentaries and dramas make class time more dynamic and exciting. New Classroom Presentation Tool shows course content on screen, making it easier than ever for teachers to deliver heads-up, engaging lessons. New Online Practice provides learners with extra practice activities for each File and allows them to check their progress. New Sound Bank videos provide a unique opportunity to watch and listen to a clear model of the English sounds. Colloquial English lessons feature video interviews which help students to focus on natural spoken language.