The Passive

The history of lemonade

Complete the article with the correct active or passive form of the verb in brackets, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints!
No one knows when lemon juice, sugar and water (mix, past simple) for the first time, but we do know that lemonade (enjoy, present perfect) for at least 1,000 years. It (believe, present simple) that lemons (introduce, past simple) to Egypt from Asia in AD700, and there is written evidence of the drink in Egypt dating from AD1000.
We also know that lemonade (sell, present perfect) commercially since 1676, when Compagnie de Limonadiers (found, past simple) in Paris. The company (send, past simple) its vendors onto the streets with tanks of lemonade on their backs, and the drink (sell, past simple) in cups.
Compagnie de Limonadiers (make, past simple) cloudy lemonade. The other type (make, past simple) with carbonated water. Another variation, which (mix, present simple) lemon juice, sugar, water and mint, (drink, present simple) in the Middle East.