1. I was skeptical about the new diet plan, but after seeing the results, I am now a believer.
2. The salesman's claims seemed too good to be true, so I remained skeptical about the product.
3. She was skeptical of his intentions, as he had let her down before.
4. The scientist was skeptical of the new research findings, as they contradicted previous studies.
5. Despite the glowing reviews, I remained skeptical about the restaurant's food quality.
6. The team was skeptical of the coach's tactics, but they ended up winning the game.
7. I am skeptical of the government's ability to solve the problem, given their track record.
8. She was skeptical of online dating, but decided to give it a try anyway.
9. The professor was skeptical of the student's excuse for missing class, as it seemed unlikely.
10. After being burned in the past, he was naturally skeptical of new business opportunities.