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:
itbis represent as no freedom
Explanation:
because it doesn't make sense
Oh, wow! I really wish I could help you but I'm afraid I can't
Answer:
what was the cause the computer keyboard was change from the alphabetical order to logical order
The correct answer is Sung. it is past tense