20.10.5 Ejercicio 5: Repetición de la voz pasiva

La voz pasiva la explicamos en el Capítulo 15.

Ponga esta frases en la voz pasiva. Preste antención a los tiempos!
The minister will open the exhibition tomorrow.
No one has used these rooms for more than fifty years.
The dentist pulled a tooth.
Have you finished your work?
You should have given the money back, when you were able to.
They must lock the door every evening.
They are paying him for his work.
They sell peas by the litre in some countries.
The orchestra had played this part before they finished for the evening.
They should build more houses and hospitals, instead of offices!

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