Multiple choice

The university devotes 60% of its income to professor's salaries.

  1. no change

  2. professors'

  3. professors
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The salaries belong to multiple professors at the university, so the plural possessive form "professors'" is correct. "Professor's" is singular possessive, which would imply only one professor exists at the university.

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