fill in the gaps according to the model. model : nice - nicer - nicest....

cozy-cosier-cosiest , funny-funnier-the funniest , yummy-yummier-the yummiest , bad-worse-worst , boring-more boring- the most boring , good-better-best , thin-thinner-the thinnest , clean-cleaner-the cleanest , difficult-more difficult-most difficult , fat-fatter-the fattest , long-longer-longest , short-shorter-the shortest , interesting-more interesting-the most interesting , beautiful-more beautiful-the most beautiful