1. Their barbecue is the best in the city.
2. María and Marta are the tallest students in the class.
3. My computer is the most powerful one.
4. I am the fastest person in the group.
5. Juan is the hardest-working employee in the department.
6. We are the biggest company in the county.
7. That is the worst operating system available.
8. That house is the least expensive on this street.
9. The oldest members are the most respected.
10. Miguel is the best organized for the job.