Решение:
- An elephant is bigger (big) than a bear.
- The blue whale is the largest (large) animal in the world.
- It is hoter (hot) in summer than in autumn.
- I think monkeys are the funniest (funny) animals of all.
- My dad is older (old) than my mum.
- The Nile is the longer (long) river.
- A car is faster (fast) than a bike.
- This is the better (good) ice cream in the shop!
- A mouse is smaller (small) than a cat.
- Winter is the colder (cold) season of the year.
Ответ: bigger, largest, hoter, funniest, older, longer, faster, better, smaller, colder.