In the American family the husband and wife usually 21 important decision making . When the children are old enough , they take part 22 .Foreigners are often surprised by the permissiveness（宽容）of American parents .The old rule that “children should be seen and not heard”is rarely 23 , and children are often 24 to do what they wish without strict parental 25 .The father seldom expects his children to obey him 26 question ,and children are encouraged to be independent 27 an early age .Some people believe that American parents carry this freedom 28 far .Other think that a strong father image would not 29 the American values of equality and independence ,young people are expected to 30their parental families by the time they have 31 their late teens or early twenties . 32 , not to do so is often regarded as a failure ,a kind of 33 independence .
This pattern of independence often results in serious 34 for the aging parents of a small family .Yet average American is expected to live 35 the age of 70 . The job-retirement age is 36 65 .The children have left home ,married ,and 37their own households .At least 20 percent of all people over 65 do not have enough retirement（退休）incomes.  38 , the main problem of many elderly couples is not 39. They feel useless and lonely with neither an occupation(职业) 40 a close family group .
A share           B have      C .exchange      D hold  
A either    B though       C as well               D also   
A discussed   B followed     C seen              D heard  
A asked        B made        C said             D allowed   
A control    B support      C agreement   D criticism （批评） 
A for       B on           C without         D in  
. A in   B at                 C on                       D for   
A too      B almost               C nearly              D quite
A fit        B meet   C suit                D .satisfy   
.A break up   B break into   C break through    D break away from  
. A reached         B got     C arrived          D developed 
. A In truth        B In name      C Indeed      D In a word 
A heavy          B light     C strong           D weak  
. A questions     B problems    C matters       D affairs  
.A to      B still   C from                     D beyond   
A only     B usually     C sometimes            D seldom   
.A set forth        B set aside    C set up         D set down  
.A But        B Therefore      C In contrast      D On the other hand 
A local    B national          C political           D economic  
.A or         B nor    C and                                    D but