Longman English Interactive Teacher's Access Levels 1-4 can be used to supplement your core course, or as a self-study program. Students can log in anytime, anywhere. Teachers can manage their class, setassignments and monitor students? progress with the program?s easy-to-use management tools. Character-based videos present language in context and cultural notes help learners understand cultural diff erences and learn a new language within a broader social context.