Use the necessary degree of comparison:

Заполните пропуски, используя нужную степень сравнения прилагательных:

1. This box is heavier than that one.
2. The Mississippi is longer than the Volga.
3. John plays the violin better than the flute.
4. My sister is older than me.
5. Mathematics is more difficult than Literature.
6. St Petersburg is more beautiful than Moscow.
7. He is the worst pupil in the class.
8. The play is more interesting than I expected.
9. This is the most particular story that I've ever heard.
10. Today I'm more anxious than a cat on hot bricks because I have an exam.
11. Birds' feather is lighter than paper.
12. My friend has a kinder heart than all the people I know.
13. This is the broadest street in our city.
14. This toy is fluffier than the toy we saw at that shop.
15. My little sister is a bouncier child in the kinder-garten.