напиши правильное прилагательное
1. elephants are big/bigger animals.
2. dolphins are small/smaller than whales.
3. monkeys are clever/cleverer than hippos.
4. in summer it is usually hot/hotter than in spring.
5. in winter it is cold/colder than in summer.
6. apples are a tasty/tastier fruit.
7. whales are friendly/friendlier animals.

big, smaller, cleverer, hotter, colder, tasty, friendly

Если в предложении будет стоять слово than, то есть (чем), значит это будет сравнительная форма. Это на будущее)

big, smaller, cleverer, hotter, colder, tasty, friendly