номер 4

1. kelly is worse at maths than me.

2. your bike is faster than my bike.

3. she's the best dancer of all.

4. which animal is the biggest in the world?

5. which is faster, a car or a train?

6. he's the funniest person i know.

7. tatiana is the most beautiful girl of all.

номер 5

2. she's the tallest girl in the class.

3. he's the most clever boy in the class.

4. it's the fattest animal in the jungle.

5. she's the most shy girl in her family.

6. it's the fastest animal in the world.

надеюсь, что правильно :>