The horse and carriage is a thing of past, but love and marriage axe still with us and still closely interrelated. Most American marriages,【C1】______first marriage uniting young people, are the result of mutual attraction and affection【C2】______than practical considerations. In the United States, parents do not【C3】______marriages for their children. Teenagers begin【C4】______in high school and usually find mates through their own academic and social【C5】______. Though young people feel free to choose their friends from【C6】______groups, most choose a mate of similar【C7】______. This is due in part to parental guidance. Parents cannot【C8】______spouses(配偶)for their children, but they can usually【C9】______choices by voicing disapproval of someone they consider unsuitable. 【C10】______, marriages between members of different groups(interclass, interfaith, and interracial marriages)are【C11】______, probably because of the greater mobility of today's youth and the fact that they are【C12】______by fewer prejudices than their parents. Many young people leave their hometowns to attend college, serve in the armed forces,【C13】______pursue a career in a bigger city. Once away from home and family, they are more【C14】______to date and many outside their own social group. In mobile American society, interclass marriages are neither【C15】______nor astonishing. Interfaith marriages are【C16】______the rise, especially between Protestants(基督教徒)and Catholics(天主教徒). On the other hand, interracial marriages are still very【C17】______. It can be difficult for interracial couples to find a place to live, maintain friendships, and【C18】______a family. Marriages between people of different national【C19】______(but the same race and religion)have been commonplace here【C20】______. colonial times. 【C1】