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Based on recent answer keys , key language points to master include: Solutions. Upper-Intermediate - Workbook
The Workbook covers several high-level English themes designed to bridge the gap between intermediate and advanced fluency: – Focuses on lifestyles, media, and success. If you need to verify your work, several
If you are looking for a quick reference guide to the , Quick Reference Guide Solutions. Upper-Intermediate - Workbook
: Practicing verbs followed by infinitives vs. -ing forms (e.g., afford to buy vs. regret doing ).