听力练习, 填空,注意单词或者短语的正确形式 Before marriage, younger Americans date each other, that is, they often go out together. Casual dating usually begins in the early teens, and in the late teens a __ 1 _____ of steady dating develops. There is a great ___ 2 ______ that one goes to a dance with one person, to a football game with another, and to a picnic with a third. Sometimes two couples go out together. This is known as “ ____ 3 __ dating”. Group dating is also ____ 4 ____ among young people. Large groups of boys and girls may _____ 5 ____ together. Young people may go out together for a long time, which is, in __ 6 _____, a public statement of their _____ 7 ___ to marry. Men and women go out together _____ 8 ______ especially those in cities. This is “adult dating”. They ski together, dine together, either at restaurants or in each other’s homes. The American dating ___ 9 ____ is a rather casual one. Often young Americans who hardly know each other go out on dates. It is also ____ 10 ______ for them to arrange a “blind date”, that is, a date between two young people who have not met before.