In the past,American families tended to be quite large.Parents raising five or more children were common.Over the years,the size of the family is becoming smaller.One reason for this is an increase in the cost of living.
---------
21.In the past,American families tended to be__________.
[答案]C.quite large
22.To parents who take the responsibility for children.s expenses,the cost of living increases because______.
[答案]C.all of the above
23.Children whose parents divorced always feel unsettled because__________.
[答案]A.they are moved between their parents
24.According to the author,the situations of American families in the future may__________.
[答案]A.get better
25.The title of the article might be__________.
[答案] B.American Families