This paper introduces the theory of communicative competence by Hymes, the interpretation of communicative competence by Canale & Swain, the elements of efficient communication by Widdowson respectively, and the limitation of the previous application in China with the teaching environment of Classroom plus blackboard, analyzes the necessity and feasibility of creating authentic communicative environment by using communicative language teaching (CLT) in teaching listening and speaking with the help of computers and websites, and discusses the components of the learning and teaching model in the authentic communicative environment by using CLT with the feedback and evaluation from both the students and the teachers.