Prime Time 4, Workbook

2 Key p. 98 Going abroad p. 3 New York p. 9 Intelligent machines p. 15 Going to the limit p. 21 Television and streaming p. 27 Blogs p. 33 Play IT safe p. 39 Sustainability p. 45 Express yourself p. 51 New Zealand p. 57 Coming back p. 63 The Understudy – a play p. 69 Incredible inventions p. 75 Work hard; play hard p. 81 Awesome ads p. 87 Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 Unit 8 Unit 9 Unit 10 Unit 11 Unit 12 Unit 13 Unit 14 Unit 15 two Contents Nur zu Prüfzwecken – Eigentum des Verlags öbv