Turn these sentences into passive voice.
1. The shopkeeper inside the Temple of Literature sold to you the souvenirs and postcards at a higher price.
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2. Famous lecturers and tutors teach the students in the university.
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3. They choose my father the head master of Chu Van An Lower Secondary School.
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4. The gardeners of the Temple of Literature take care of the trees and flowers.
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5. They sold all the tickets for the trip to the Temple of Literature.
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6. UNESCO regarded Ha Long Bay as a World Heritage Site in 1994.
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7. People regard Oxford University as one of the best universities in the UK.
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8. People regarded The imperial Academy as the first university in Viet Nam.
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9. King Le Thanh Tong erected The Doctors' stone tablets.
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