Помогите составить 10 предложений с comparactives and superlatives (5 предложений на одну форму) срочно

Ice-cream is better than cakes.

Buses are cheaper than planes.

Peter is the tallest in his family.

She are the smartest in  her class.

She was the happiest in her team .

Ann is the most intelligent in her family .

This is the most interesting book in my bookcase .