英语语法填空求助

题目

英语语法填空求助
The United States has been criticized for its treatment of its elderly citizens.31 in many other countries the elderly usually live with their children’s family,many older Americans live alone,32 the close companionship of their children.Sometimes this situation 33 (blame) on the “selfishness” of the younger generation,but 34 closer look shows that many of the elderly prefer to maintain their 35 (depend) lives.
Research on the situation of the elderly in America has shown that while grandparents
are delighted 36(visit) periodically by their children and grandchildren,they prefer to continue living in the surroundings that they are familiar with.This suggests that children should permit their parents to live alone if they wish to,but should encourage 37 to maintain close ties to the rest of the family.
38 surprising result of research on the elderly in the United States has been the very positive influence which pets have been found to have 39 the elderly peopl

答案

31.Although/Though
32.without
33.is blamed
34.a
35.independent
36.to be visited
37.them
38.Another
39.on
40.whom