Ответ:
1. Ali is taller than Adam.
2.Pineapples are sweeter than oranges.
3.This is the saddest book i've ever read.
4.Winter is the coldest season.
5.My bag is heavier than yours.
6.Sara's dress is shorter than mine.
7.Summer is hotter than autumn.
8.The elephant is bigger than the mouse.
9.This TV is the biggest one at the shop.
10.Tim can run faster than Bill.