题目内容：
In the past, American families (16) to be quite large. Parents (17) five or more were common. Over the years, the (18 )of the family has decreased. One reason for this is an increase in the (19) of living (20) the average, children attend schools for more years than they used to, making them (21) dependent on their families longer. Moreover, children nowadays are better (22) and have more money to spend on (23). The parents usually take the responsibility 24 all the expense. Meanwhile, families are less close than they used to be. More and more American mothers 25 away from home.16.A. tended
B. wanted
C. seemed
D. extended
17.A. breeding
B. raising
C. feeding
D. bringing
18.A. amount
B. number
C. size
D. scale
19.A. level
B. standard
C. wage
D. cost
20.A. On
B. By
C. At
D. From
21.A. finally
B. financially
C. fashionably
D. faintly
22.A. worn
B. wearing
C. dressing
D. dressed
23.A. luxury
B. activity
C. playing
D. entertainment
24.A. at
B. to
C. on
D. for
25.A. are
B. run
C. work
D. separate
参考答案：