Task 2: Use the prepositions where necessary to complete the text. Russia is the largest country _____ the world but _____ the same time its population is smaller than in some other countries, China for example. Our country stretches _____ the Baltic Sea _____ the Pacific Ocean. The chain _____ mountains _____ the Pacific Coast are not very high. The largest river _____ Russia is the Volga. It flows _____ the Caspian Sea. A lot of old Russians cities lie _____ it. Russia borders _____ a lot of countries. We are proud _____ Russia.