5) Sarah is nicer than her cousin.
6) Honey is sweeter than jam.
7) The weather will be worse tomorrow.
8) Tom is better at football than at voleyball.
9) British singers are better known than French singers.
10) Bille is as good at maths as Sophie.
11) He is less bad-tempered than his sister.
12) Mount Blanc is less high than Mount Everest.