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Singular Possessive and Plural Possessive Nouns: Part 7

Click on the correct singular or plural possessive noun in parentheses.
Sample: Officials addressed local ( resident's / residents' ) concerns about road safety.
  1. The response to the new show was was overwhelming that in just one month the radio station received a ( year's / years' ) worth of mail.
  2. Jane bought three ( pound's / pounds' ) worth of apples.
  3. The assessment test showed that the sixth ( grader's / graders' ) knowledge of single possessive and plural possessive nouns was outstanding.

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