Grammar
Task 2. Rewrite the text using the passive. Add by if necessary.
The invention of paper money
1. The Chinese invented paper money in the 9th century AD. 2. Merchants signed certificates
promising to pay a certain amount of money. 3. They called the paper money “flying money"
because it flew away so easily. 4. European countries did not ſintroduce/paper money until more
than 500 years laten 5. A Swedish bank printed the first bank note in 1661. 6. Today, people use
bank notes all over the world. 7. People also make many payments using digital systems. 8. In
the future digital money will replace physical money.

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