Fill in the blanks with the definite article where it is necessary. 1.washington is the capital of united states of america. *~ 2.andes is a mountain range in south america. 3.sicily is an italian island. 4.nile is the longest river in the world. 5.urals separate europe and asia. 6 first american explorers thought that the land on the other side of mississippi river was a desert. 7.egypt is situated in africa. mountains are rich in minerals. lakes are connected with atlantic ocean through st vrence river (on the canadian side) and l: hudson river, between lake ontario and lake erie, on niagara river there i powerful niagara falls.