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: 1.Sebastian meets Feste, who mistakes him for Viola/Cesario.
2. Olivia mistakenly thinks Sebastian is Cesario.
3.Feste, disguised as Sir Topas, ridicules Malvolio in the dark cell.
4.Sebastian thinks that he is suffering from memory loss or has gone mad.
5.Olivia gets a priest and marries Sebastian, still thinking he is Cesario.
Explanation:
It's option 4, prompt as the phrase 'i always made sure to show up on time' means on time
