Answer:Confidence and humility are essential qualities of a good leader.Example sentences:1. Confidence [inspires] team members to take risks and innovate.2. Humility [fosters] a positive work environment and encourages collaboration.3. A leader with confidence [makes] informed decisions and takes responsibility.4. Humility [helps] leaders listen actively and learn from others.5. Effective leaders balance confidence [with] humility to achieve success.Subject-verb agreement rules:1. Singular subjects take singular verbs.2. Plural subjects take plural verbs.3. Compound subjects connected by "and" take plural verbs.