The key answer of exercise 7

As soon as Peter reached the hotel, he knew something was wrong. He reached into his pocket to pay the taxi driver, but discovered that his wallet wasn’t there. He started to panic immediately because it had all his holiday money in it.

Peter searched his bag frantically. He knew he had had it earlier that morning in the airport café. He explained the situation to the taxi driver and asked him to take him back there.

Peter ran into the café, but there was no sign of his wallet. Next he remembered he had bought a newspaper from the kiosk. He quickly ran over towards the kiosk. At that moment, the newspaper seller held up his wallet.

"You left it behind," he said with a pleasant smile. Peter was astonished. He felt truly grateful to the man for his honesty and completely relieved.