Jon put drops in his eyes so that they wouldn't do what?
Options:
- fill with tears
- glass over
- see work
- dry out
- fall out
Step-by-step reasoning process below:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Jon put drops in his eyes so that they wouldn't dry out. The answer: dry out.