5th Grade Milestones Grammar

Which is correct? 

What does the prefix, anti, mean? 

Pick the correct comma usage. 

Perfect past, present, or future verb?: I will have walked five miles by the end of the day.

What does the root port mean?

Pick the correct perfect past tense verb. "She _______ (walk) forty-five minutes to the store"

Pick the correct synonyms. 

Choose a word that fits in both blanks. Set the package ____ to the side. We had the day _____.

Something is missing: He couldn't climb to the top of the ladder because he was terrified

Pick the correct antonyms.