... the key to human communication. It is a crucial part of second language learning and teaching. There are many definitions of speaking. Speaking is the process of building and sharing meaning ... 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 ... questions and the solutions to the teaching speaking at Upper secondary schools in Nghe An. The data collected from the survey are quantitatively and qualitatively analyzed.Chapter 5, “Conclusion and...