Поставьте прилагательные и наречия в скобках в правильную форму,употребляя где надо нужный артикль.
1.The London underground is (old)in the world.
2.The rivers in America are much (big) than those in England.
3.China is (large)country.
4.Today the streets aren't as (clean)as they used to be.
5.She speaks Italian (good) than English.