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
Answer:
I need help on this one too
Explanation:
I am in the middle of the test right now and cant figure it out
I think the answer is <u>D</u>, because no other answer makes as much sense.