... This thesis, therefore, focuses on the studying the use of CAs in teaching speaking for students at upper secondary school. 2.3. THE NATURE OF SPEAKING 2.3.1. Definitions of Speaking Speaking ... such as the definitions of speaking, principles of teaching speaking, and the significance of teaching speaking. Also, concepts related to CLT, types of CAs used in teaching speaking, and the ... secondary schools in Nghe An. The pilot teaching aims at exploring the effectiveness of CAs in teaching and learning speaking skills and how they improve the language interaction of students in speaking...