Откройте скобки , используя степени сравнения прилагательных. (извините за катчество) По английскому языку

1) The Alps are higher than the Urals.
2) My dog is faster than your dog.
3) This film is worse than that film.
4) He is the best student in our group.
5) My house is bigger than your house.
6) This is the smallest room in our flat.
7) Which building is the highest in Moscow?