填空题 The rate of divorce in America ranks (　　) in the world.

填空题 To any black, the old term “(　　)” by which he is addressed is considered a great insult.

填空题 In order to solve the problem of the loneliness and uselessness for the aged, many communities and church group sponsor social centres which are called (　　) centres.

填空题 A person who is employed to take care of children for a specific length of time while the parents are out is called a (　　) (　　).

填空题 A cheese burger is a hamburger with melted (　　).

填空题 Because of the existence of the nucleus family some of the old men and women suffered greatly from (　　).

填空题 Today over (　　) percent of all married women are active in community affairs.

填空题 The coffee without cream or sugar is called (　　) coffee.