Correct the sentences if necessary. Check (V) s any that are already correct:

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III. Correct the sentences if necessary. Check (V) s any that are already correct:
15. Half of the food that we are serving to the guests are still in the refrigerator.
16. We believe that some of the employees is going to be devoted to quality control.
17. It is impossible to believe that somebody actually admire that man.
18. Each of the doctors in the building needs to have a separate reception area.
19. The president felt that no one were better suited for the position of chief staff advisor.
20. Everybody participating in the fund-raiser are to turn in the tickets by 8. 00.