📗 Libro en inglés UPSTREAM ADVANCED (TEACHER BOOK)

"Upstream Advanced C1" is a modular secondary-level course for learners of the English language at advanced level. The series combines active English learning with a variety of lively topics presented in themed units. Theme-based units from a wide variety of authentic sources in five modules. A variety of cross-cultural topics. Systematic development of all four language skills through realistic, challenging tasks which encourage the learner''s personal engagement.