填空题

One of America’s most important (36) is her modern music. American popular music is played all over the world. It is enjoyed by people of all ages in all countries. The music has many origins in the United States. Country music, coming from the (37) areas in the southern United States, is one (38) . Country music (39) simple themes (40) day-to-day situations and the feelings of country people. Many people (41) this music because of the emotions expressed by country music songs. A second origin of American popular music is blues. It (42) mostly sad feelings (43) the different lives of American blacks. (44) , but it is popular with all Americans. (45) . Now popular songs are heard on the radio several times a day. Some songs become popular all over the world. People hear these songs sung in their original English or sometimes translated into other languages. (46) .