The book includes a "Review" every 3 units. In a physical class, this is a test. At home, use it as a diagnostic. Set a timer for 30 minutes. Close the PDF. Take the review quiz. Only then check your answers.

The biggest weakness of a is that the physical book's audio CD is missing. However, publishers often host the audio files on a hidden portal. Look for a URL inside the first 5 pages of your legal PDF (e.g., "richmond.com/audio/tuneup2"). If you have a scanned pirate copy, you will miss the listening sections entirely.

Most units in the Student's Book follow a predictable and helpful pattern: