СРОСЧНО поставить в нужную форму !!

A)
1.shorter , longer
2.the most dangerous
3.less busy
4.the oldest
5.more expensive, faster
6.older ,taller,stronger
7.the happiest
8.the least effective
9.the most attentive
10.easier
11.the most beautiful
12.more careful
b)
1.best
2.bigger,heavier
3.more difficult