Life in the twenty－one century will be very                  56．＿＿＿

different with life today． There will be many                57． ＿＿＿

changes．What can the changes be？ The population             58． ＿＿＿

is growing fast． That will be many more people in            59． ＿＿＿

the world and most of them will live in longer                60． ＿＿＿

than people live now． Computers will be much                 61． ＿＿＿

more smaller and more useful， and there will                 62． ＿＿＿

be one in every home． People will work few                   63． ＿＿＿

hours than they now and they will have more                   64．＿＿＿

free time for reading books， watch TV and traveling．        65．＿＿＿
 

参考答案：
56．twenty-one→twenty-first       57．with→from      58．can→will

59．That→There       60．去掉in       61．√      62．去掉第一个more

63．few→fewer       64．now前加do       65．watch→watching