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You studied math very hard.

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2. Your grandfather drank coffee yesterday.

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3. Tom wanted milk.

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4. Your sister knew John.

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5. They worked very hard.

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6. The children played outside.

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7. She liked to watch movies.

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8. Jenny had long hair two years ago.

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9. The girl needed help then.

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10 The girls sang a song last year.

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11. The dog caught the ball.

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12. My mother wrote me a letter.

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13. She heard someone crying there.

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14. I met her at the airport.

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15. He came with his friend last Saturday.

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16. You got up late yesterday.

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17. She wore a school uniform.

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18. We read many books last month.

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19. A cheetah ran very fast.

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20. Jason missed the bus this morning.

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