Раскрыть скобки, домашняя по английскому языку

1. Nick is (happy) boy that i know.
2. Of the six cars, I like the silver one the (good).
3. Jane's notebook is (cheap) than mine.
4. This is (delicious) cheese-cake I have ever had!
5. Do you feel (good) today than one.
6. I think my cat is (pretty) of all the cats in the word.
7.Steve Jobs is (famous) than Stephen Wozniak.
8. This week the weather is (hot) than the old one.
9. Our new house is (expensive) than the old one.
10. Girls are usually (clean) than boys.
11. Chemistry was the (hard) subject at school.
12. February is (cold) than March.
13. John is (young) than me.
14. Lake Baikal is (deep) then this lake.
15. Mike is (tall) than Jack.
16. Our flat is (much) comfortable than yours.
17. This dictation is (little) difficult than yesterday's one.
18. This bird is (much) beautiful than ours.