Mastery of Language course is designed for master’s graduates of English. Its ultimate objective is to reinforce students’ level of academic proficiency with special emphasis on the advanced formal aspects of language use. The course is divided into two semesters in which students are exposed to a wide range of advanced language structures and functions intended to help students improve their grammar and lexis in both spoken and written contexts. Therefore, it stresses language practice to eventually achieve a substantial level in grammar usage, vocabulary reception and production needed for both spoken and written communication. Mastery of Language is a prerequisite course for students to prepare and pursue Master’s academic studies.