Use the defenite article with the geographical names where nacessary .remember the general rule of using articles with them . great britain baltic sea atlantic ocean mockva river lake ontario red square usa urals madrid europe france royal hotel tverskaya street hyde park bolshoi opera house kosmos cinema tretyakov gallery history museum
2... The Baltic Sea
3.. The . Atlantic Ocean
4... The Mockva River
5... Lake Ontario
6... Red Square
7... The USA
8... The Urals
9... Madrid
10... Europe
11... France
12... The Royal Hotel
13... Tverskaya Street
14... Hyde Park
15... The Bolshoi Opera House
16... The Kosmos Cinema
17... The Tretyakov Gallery
18... The History Museum