Ответ:
1) The weather today is better than it was yesterday.
2) My book is the most interesting of all.
3) I think pizza is tastier than burgers.
4) Ben is the cleverest boy in our class.
5) Sally is more beautiful than Emily.
6) My father's work is worse than my mother's work.
7) Bob is the biggest boy in the street.
8) I was happier than my sister yesterday.