Which sentence uses commas correctly in a series?

What is the correct plural form of the word "fairy"?

Which sentence uses the correct plural form of an irregular noun?

Identify the role of the word "runs" in the sentence: The dog runs across the yard.

Determine the role of the word "peacefully" in the sentence: The cat slept peacefully on the couch.

Which sentence uses punctuation correctly?
Options: We saw lions, tigers, and bears at the zoo., We saw, lions tigers and bears at the zoo., We, saw lions tigers and bears at the zoo., We saw lions, tigers and bears at the zoo.

Which sentence uses contractions correctly? We ca'nt wait to see the new movie!, We can't wait to see the new movie!, We c'ant wait to see the new movie!

What does the prefix re- mean in the following sentence? She reread the book because she loved it so much!