: Translations and answers to questions based on the supplementary reading materials.
: Provides clear, scanned, or digital versions of completed assignments. It is useful for checking complex grammar structures and "Check Your Progress" sections. : Translations and answers to questions based on
: Full answers for Units 1–7, including "Reading," "Vocabulary," and "Grammar" sections. : Translations and answers to questions based on
: Solutions for all written homework tasks. : Translations and answers to questions based on