Ступени сопоставления прилагательныхI Раскройте скобки, употребляя требующуюся форму

Ступени сравнения прилагательных
I Раскройте скобки, употребляя требующуюся форму прилагательного.
The rivers in America are much (big) than those in England.
The island of Great Britain is (small) than Greenland.
What is the name of the (high) mountain in Asia?
The English Channel is (wide) than the Straits of Gibraltar.
Russia is a very (large) country.
Which is (large): the United States or Canada?
What is the name of the (big) port in the USA?
Moscow is the (large) city in Russia.
The London underground is the (old) in the world.
There is a (great) number of cars and buses in the streets of Moscow than in any other cities of Russia.
St Petersburg is one of the (beautiful) cities in the world.