Explanation:

- The passage describes an old man who lived in a village and was known for being perpetually unhappy and unpleasant.

- Blank (1) refers to the degree of his misfortune. In this context, “most” would mean he is extremely unfortunate.

- Blank (2) pertains to the villagers' general response to him, likely indicating their annoyance or fatigue due to his demeanor.

- For Blank (3), the word describes the frequency of the old man’s complaints.

- Mostly suggests that he complains most of the time, but not always.

- Commonly indicates it's a regular occurrence.

- Cyclically implies he complains in intervals, not continuously.

- Constantly means he complains all the time without pause.

- The correct word for Blank (3) should emphasize the frequency of his complaints.

- Constantly is the most fitting choice since it aligns with the idea that he is always complaining.

- Blank (4) represents his worsening demeanor over time.

- Blank (5) likely indicates the increasing harshness of his comments.