Помогите срочно нужно, заранее спасибо

2.??
3.the most interesting book
4.is shorter
5.is more difficult
6.the prettiest
7.is happier
8.is more careful
9.is the laziest
10.is more beautiful
11.is more expensive
12. is taller
13. is bigger
14. is fatter
15.colder in Finland...2ой пропуск не знаю(