Ex.1/ Change the following sentences from active into passive form.
1. The chief engineer was instructing all the workers of the plan.
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2. My father is taking me to the zoo.
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3. They are holding the meeting at Rex Hotel.
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4. They were repairing the engine of the car.
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5. The boys are breaking the window and taking away some pictures.
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6. People are spending a lot of money on advertising every day.
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7. They were using this room for the classroom.
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8. The teacher is telling a story in the classroom .
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9. Marry is cutting the cake with a sharp knife.
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10. The children were looking at the women with a red hat.
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