1. I'm absolutely sure. 2. I'm positive that... 3. I have no doubt that... 4. I'm a hundred percent certain. 5. I'm convinced that... 6. Chances are that... (= this will probably happen) 7. Odds are that... (= this will probably happen) 8. I seriously doubt it. 9. I don't think so. 10. Probably not. 11. It's not very likely. 12. There's not much chance of that. 13. I'd be very surprised if that happened. 14. I wouldn't bet on it. (= there's a small chance it could happen... but it probably won't happen) 15. That'll never happen.
The city was once used as a refuge by Empress Maria Tereza from the blistering heat of Rio. In the recent past, the city hosted the Brazilian national football squad for three long decades. It is also famous its breathtaking landscapes and natural treasures.