1.They started a dacing class last week
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2. Mr.Smih saw the accident
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3.Somebody has taken my briefcase.
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4. The teacher returned our written work to us
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5. She has finished the report by noon.
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6. The mad dog bit the little boy.
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7. The police have arrested five suspects.
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8. The doctor ordered him to take a long rest.
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9. They started a dancing class last week.
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10. Mr. Smith saw the accident
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11. Somebody has taken my briefcase.
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12.The teacher returned our written work to us.
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13. She had finished her report by noon.
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14. The mad dog bit the little boy.
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15. The police have arrested five suspects.
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16. The doctor ordered him to take a long rest.
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17. they are sweeping the streets
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18.the mailman had already delivered the mail
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19. He used to brorrow my pen
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20. You ought to tell him early
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