Upstream Proficiency | Workbook

: Every module concludes with a self-assessment section to help learners track their progress toward C2 fluency. Review Insights

The workbook acts as a comprehensive reinforcement tool, typically requiring of study when paired with the Student's Book. Upstream Proficiency Workbook

: Extensive exercises target high-level vocabulary, including complex collocations, idioms, phrasal verbs, fixed phrases, and sophisticated word formation. : Every module concludes with a self-assessment section

: Each unit systematically develops all four language skills— reading, writing, listening, and speaking —using authentic, contemporary sources. including complex collocations