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1. The best time of the year is summer. 2. Every year she becomes more and more beautiful. 3. Scientists have used the best method. 4. He is the oldest of all students. 5. his story is more interesting than yours. 6. This singer is the best of the group. 7. It is the most nasty place in the world. 8. Our company employs the youngest employee. 9. This is the most lazy student in the class. 10. Summer is the hottest time of year. 11. my friend's dog is smarter than mine. 12. We passed the narrowest streets of the city. 13. Today we watched the worst movie of the year. 14. What planet is bigger : Mars or Earth? 15. their house is more comfortable than mine. 16. Take this suitcase. It is lighter. 17. Mike chose the most difficult profession. 18. Which animal is the largest? 19. This seller is more pleasant than one. 20. they seem happier than yesterday.