2. Read the text. What happened in 1973, 1986, 1992 and 1997?

A brief history of mobile phones

• Nearly a billion mobile phones are sold every year worldwide.
• The first mobile phone call was made in 1973 by Martin Cooper. He was an inventor for a leading mobile phone company. The call was answered by the boss of a rival company, who was not happy to hear that he had lost the race.
• The first mobiles were powered by batteries that weighed nearly a kilo.
• Voicemail was added to phones in 1986. Internet access was not added for another ten years.
• The first text message was sent in December 1992. it was not typed on the phone itself but on a computer.
• The camera phone was invented in 1997 by Philippe Kahn. Photos of his newborn daughter were shared via his phone with 2,000 friends and family.
• In the UK, a mobile phone is stolen every three minutes.
• What are mobile phones used for the most? It isn't texting or calling — it's checking the time!

4. Find twelve examples of the passive in the text. Which examples are a) plural, b) negative or c) a question?

6. Complete the questions about the reading texts in Units 1-7 using the correct passive form of the verbs in brackets.

1. Why _____ Ashlyn Blocker _____ (watch) more carefully than all the other children at her school? [1F]  

2. _____ Dan and Kate Suski _____ (rescue) by helicopter after their boat sank? [2F]  

3. What skills _____ (improve) by playing online video games, according to a report? [3F]  

4. Who _____ (nearly / kill) by a storm at a paragliding event? [4F]  

5. Where _____ Andrew Johnson _____ (employ) as a Master Model Builder? [5F]  

6. Where _____ meetings_____  (sometimes / hold) if Aaron Levie is choosing the venue? [6F]  

7. What _____ Hillary Bradt _____ (show) to do on her holiday? [7F]