Answer:
It can be used as a paperweight
Explanation:
Answer: a chivalric utopia
Explanation:
An appositive is a noun that follows another noun in order to provide more information about the noun.
With regards to the question, the appositive is "a chivalric utopia". Here, the appositive is used to modify the main noun which can be found in the last part of the sentence that is, Camelot. It gives more information on Camelot.
You didn't underline anything, so we cannot know for sure what the correct answer is. However, I'll just write down the entire infinitive phrases in these sentences, and you can see the answer based on that:
1. to see a great play
2. to cheer good plays
3. to practice until you know all the plays