Zeszyt ćwiczeń (Student’s Workbook) zawiera bogaty wybór zachęcających do nauki zadań i przydatnych ćwiczeń z zakresu słownictwa, gramatyki, użycia języka w komunikacji, czytania, słuc...
Upstream Level B1+ is a modular secondary-level course for learners of the English language at CEF B1+level. The series combines active English learning with a variety of lively topics presented is...
Upstream Level B1+ is a modular secondary-level course for learners of the English language at CEF B1+level. The series combines active English learning with a variety of lively topics presented is...