The key to exercise solutions in chapter 6.2 - The people watchers for the textbook Speakout Intermediate - Students' Book with authors Antonia Clare and J. J. Wilson from Pearson Education
Question
Work in pairs and answer the questions.
Answer
'Why do we do what we do?'
They did experiments involving members of the public, and secretly filmed them with a hidden camera.
They convinced people that they were getting a bargain. First, they pretended that one cake cost two pounds, and if you bought a cake, you would get another one free. Later, they told people the cakes were normally two pounds, but they were selling them at half-price.
She talked like a hairdresser, and dropped fake hair.
If you want a big favour from someone, first ask for a small favour.