AirTechEnglish : Sample Lessons. Current Status Not Enrolled Price Free Get Started Login to Enroll Course Content Expand All Sample Lessons. 3 Topics | 3 Quizzes Sample Lesson Expand Lesson Content 0% Complete 0/3 Steps Describing location 3 (sample) Quiz : Describing location 3 (sample) Quality Issues 2 (sample) Quiz: Quality Issues 2 (sample) Talking about the future (sample) Quiz: Talking about the future (sample)