I. Change these sentences into passive voice.

1. Empty the used tea in the tea-pot

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2. We haven't cleaned our car for ages.

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3. Our teachers told us not to talk in class.

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4. Strong coffee will make us awake during the night.

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5. You should eat less sweet at night.

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6. The waiter refilled my glass.

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7. My secretary will notify you your results next week.

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8. Is a student pilot flying that airplane?

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9. Alan's knowledge about art doesn't impress me.

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10. People throw away billions of cans every year all over the world.

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