Open the brackets and put the adjective into the right form (comparative or superlative). Write the superlative or comparative form of the adjective.

Example: the most interesting

Which is _______________ (large): the United States or Canada?

What is the name of _____________ (big) port in the United States?

Moscow is ________________ (large) city in Russia.

The London underground is ___________________ (old) in the world

There is a _______________ (great) number of cars and buses in the streets of Moscow than in any other city of Russia.
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