Ответ:

1 oldest 2 more interested 3 the tallest

Объяснение:

4 more difficult, better

Объяснение:

2.interesting than

3.the tallest

4.more difficult task is better for her

6.more difficult

7.much time as

8.cosier

9.is the cleverest boy in..

10.the happiest day in my life

11.fastest... in

12.warmer