Santillana - Stopwatch 4 | Lider Electrohogar

Student's book & workbook + cd stopwatch is a motivating, visually engaging six-level series for teenagers. it offersba choice of entry-point level (starter, beginner or beginner plus) and develops skills through b1 of the common european framework (cefr). each level of stopwatch covers 90-120 hours of classroom instruction, plus an additional 20 hours of supplementary materials in the teacher’s toolkit.