мне нужно по англискому 10 предложении сравнительные и привосходные

1. The car A is more expensive, than the car B and car C
2. Mike is bravier than George
3. Johnathan is the worst boy in the our class.
4. The house C is smaller than the house B
5. The house A is the most cheapest.
6. Is John smaller boy than MIke?
7. The house B is the most modern house.
8. George is better than Mike.
9. Is Mike the braviest boy in the school?
10. The car C is older than the house B