Touchstone 4 Answer Key Extra Practice Access

Mastery comes from understanding why an answer is correct, not just what the correct answer is. Last updated: 2025 – Compatible with Touchstone 4, 2nd Edition (Cambridge University Press).

For learners and teachers using the Touchstone 4 (Second Edition) coursebook, the Extra Practice sections are invaluable for reinforcing grammar, vocabulary, and conversation strategies. However, finding or verifying correct answers can be challenging. This article provides a reliable answer key for the most common Extra Practice units, along with tips for effective self-study. Note: This key is based on the standard Second Edition. Page numbers and exercise letters may vary slightly between printings. Always check with your specific edition. Unit 1: Connections (Social Networks & Present Perfect) Extra Practice 1 (Present Perfect vs. Simple Past) Touchstone 4 Answer Key Extra Practice

| Active sentence | Passive reporting | |----------------|-------------------| | People say that sleep improves memory. | Sleep is said to improve memory. | | They believe that stress affects decisions. | Stress is believed to affect decisions. | Mastery comes from understanding why an answer is