A: Yes, the official answer key includes full answers for the "Review: Units 1-3" sections, including the self-assessment charts.

Teachers often face a dilemma regarding answer keys. Should they provide them to students?

To give you an idea of the formatting, here are typical answers found in the Unit 1 "Vocabulary Workout": Where are you from? What do you do? What do you do for fun? What's your e-mail address? Tips for Using an Answer Key Effectively

Using a 3rd edition answer key for a 4th edition workbook will yield nearly 70% incorrect matches. Always check the copyright page inside your textbook. If it says "© 2021," you need a 4th edition answer key.