What are all the possibilities plural nouns can end in?

Can someone me on getting a response essay by nannette croce "columbus day controversy"?!

Who was influential in tolkien's life first? a) c. s. lewis b) the inklings c) tolkien's children d) fr. francis morgan

Which of the following statements is most accurate? a. effective communication skills are not as important as technical skills. b. good communication skills can you in the classroom, on the job, and in your personal life. c. communicating effectively is not related to job success. d. learning to communicate effectively cannot be taught because communication skills are inborn.