PUT THESE SENTENCES INTO THE PASSIVE FORM

C. PUT THESE SENTENCES INTO THE PASSIVE FORM.
1. Science and technology have completely changed human life.
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2. Nothing can change my mind.
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3. You should open the wine about 3 hours before you use it.
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4. Someone stole my motorbike last night.
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5. Mary is cutting a cake with a sharp knife.
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6. My father waters these flowers every morning.
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