помогите пожалуйста задания 174 и 175

174:1)more beautiful , the most beautiful
2) more interesting, the most interesting
3) sadder, the saddest
4)usefuler, the usefulest
5) happier, the happiest
175:1) usefuler
2) more beautiful
3) more interesting
4) hotter
5) happier
6) bigger