Сделать.insert the articles where necessary. model: sherlock holmes lived in baker street. — sherlock holmes lived in baker street1. do you know about british museum? 2. when we were in london, we lived in arabella hotel.3. let me show you the centre of moscow: red square and kremlin.4. trafalgar square is in london.5. america is a continent and usa is a country.6. oxford street is very big.7. tretyakov gallery is famous museum.