Open the brackets and put the adjectives into the right form (comparative or superlative). which is (large): the united states or canada? 2. what is the name of the (big) port in the united states? 3. moscow is the (large) city in russia. 4. the london underground is the (old) in the world. 5. there is a (great) number of cars and buses in the streets of moscow than in any other city of russia.