31. My mother took me to the zoo yesterday

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32. Blair invented a color television in 1928.

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33. John gave me these records last week.

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34. Our club holds meetings once a month.

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35. She doesn’t find anything in that box.

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31. My mother took me to the zoo yesterday
`=>` I was taken to the zoo by my mother yesterday
32. Blair invented a color television in 1928
`=>` A color television was invented by Blair in 1928
33. John gave me these records last week
`=>` I was given these records by John last week
34. Our club holds meetings once a month
`=>` Meetings are held once a month by our club
35. She doesn't find anything in that box
`=>` Anything isn't found in that box