Jim was the loudest person in the class.
7/ Ray is stronger than Bod.
8/ It's hot today.
9/ Sharon's better at Maths than me.
10/ My hair is long but my sister's hair is short.
1/ I'm sure Diana is the prettiest girl know.
2/ Lizards are lazier than mice.
3/ Joanna is shier than her brother.
4/ Who's the slimmest in your family?
5/ Miss Hart is the kindest teacher in the school.
6/ Hares have got short tails.
9/ John is my big brother. (или my biggest brother)