Touchstone 4 Answer Key Extra Practice — Must Watch

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)

| Rewrite for emphasis | Answer | |----------------------|--------| | I need a vacation. | What I need is a vacation. | | She left because of the noise. | The reason why she left was the noise. | Touchstone 4 Answer Key Extra Practice

| Exercise A | Answer | |------------|--------| | 1 | have known | | 2 | met | | 3 | has been | | 4 | joined | | 5 | Have you ever tried | For learners and teachers using the Touchstone 4

| 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. | Note: This key is based on the standard Second Edition