Choose the correct comparative or superlative forms:

1. Bugatti sold the more expensive most expensive car ever made for $12.5 million.
2. He didn't like the movie. So, he left early, apparently for a much more interesting most interesting show.
3. During pandemics, governments' bigger biggest worry is public health.
4. Productivity does not mean working harder hardest but working smarter smartest .
5. Charlie Chaplin was one of the more creative most creative talents in the era of silent movies.
6. Vanity is definitely the sillier silliest of sins.
7. Airbags are amongst the more important most important safety-relevant components of any vehicle.
8. Canada has the world's longer longest coastline
9. Even without conditioner, her hair felt softer softest and cleaner than it had ever been.
10. The competitive advantages offered by the US new administration will lead to better best investment environments and a more innovative most innovative economy.
11. He is fantastic! We could not have asked a nicer nicest financial expert. He knows what he is doing.
12. It is a family quarrel and there is nothing more terrible most terrible than this.
13. The doctor recommended a healthier healthiest way to burn fat than what I have been doing so far and in the shorter shortest possible time.
14. I just had the crazier craziest dream.
15. That was probably the more awful most awful experience of my life.
16. Nothing is more beautiful most beautiful than a blossoming flower.
17. He was depressed and looked gloomier gloomiest than ever.