Exercise 1 a)Our friends are talking about a type of car that runs on compressed air. b) Emily, Estella, Leo and Massud are talking about a memory card. ©Υπουργείο Παιδείας και Πολιτισμού
Exercise 2 1. air 2. type 3. cheap 4. inventions 5. used 6. lose ©Υπουργείο Παιδείας και Πολιτισμού
Exercise 3 type works explain manufacturers companies green cheap instead magazine invent devices ©Υπουργείο Παιδείας και Πολιτισμού
Exercise 4 1. No, it didn’t. The manufacturers are worried that other companies will copy it. 2. Estella thinks that if there were one card for everything, companies would lose money. ©Υπουργείο Παιδείας και Πολιτισμού