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II. Fill in the gaps with the right articles if it is necessary. Use articles a, an, the. Write down the sentences.

1. ____ London is ____ city of _____ great contrasts.
2. ____ the heart of _____ London is ______ City.
3. ____ St. Paul’s Cathedral is one of ____ greatest English churches.
4. _____ Thames was narrow enough to build ____ bridge.
5. _____ Moscow is _____ capital of _____ Russian Federation.
6. What is situated in ______ Oxford Street?
7. Would you like to visit ____Italy or ____ Spain?
8. It is better to visit _____ USA.
9. How many ___ countries are there in _____ South America?