Zheng Bang material is high-quality instructional resource for middle school and high school teachers and students. The hard copy and online resources give students and teachers an engaging language experience by all kind of resources and detailed function. By far, this material is the most flexible by design to meet the need of all students in different learning settings. Teachers get sufficient support from the teacher edition textbook students have many different opportunities (formal and informal assessment)to practice the language. The interactive e-workbook is unique to support students' self learning or distance learning students. This material can use as a curriculum for AP, WL classrooms and can be a teacher supplementary resource for teachers in DLI 3-5 classrooms.