The key answer of exercise 3
The key to exercise solutions in chapter 10B for the textbook Roadmap A2+ - Workbook with authors Katy Melly and Michael Turner from Pearson Education
Question
Rewrite the sentences using the passive.
Answer
- wasn't Invented by one person
- was worked on by many people
- was chosen by Jaron Lanier 1987
- virtual reality was used for computer games
- are enjoyed by both kids and adults these days
- is used by the US army
- are helped by doctors using virtual reality
- than $15 billion dollars was spent on virtual reality last year
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