ABSTRACT Amandha, Alyando. (2024). Investigating Expression of Opinion in English Conversation Videos by To Fluency as a Medium of Teaching Speaking Materials. A Thesis. English Department. Faculty of Education and Teacher Training, Tidar University. Advisor 1 Moch, Malik Al Firdaus, M.Pd., Advisor 2 Puri Bakthawar, M.A. Keyboard: Asking and Giving Opinion, English Conversation, Speaking Mate…