Sentence Completion:

The detective’s ______ led to the breakthrough in the case.

Key Points

• The word "perseverance" means persistence in doing something despite difficulty or delay in achieving success.
• The detective's persistence and determination were crucial in solving the case.
• The other options: "incompetence," "arrogance," and "laziness" do not fit the context as appropriately.

Therefore, the correct answer is 'Option 2'.

Complete Sentence: The detective's perseverance led to the breakthrough in the case.

Additional Information

• Incompetence: means lack of ability or skill.
• Arrogance: means having an exaggerated sense of one's own importance or abilities.
• Laziness: means the quality of being unwilling to work or use energy.