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6、  Life in the year 3044 is very different  46  life in the 21st century. We still do many of the things you did, but we do them 47 . For example, we now have e-friends to help us and keep us company. An e-friend is a machine that looks just  48  a human being. It can walk and talk and can do almost  49   we human beings do. My e-friend is a lot like me and we have   50  fun together. She helps me  51  my homework and we often go swimming. She is programmed to take care of me if anything  52  , so I always feel safe when we are together. She can also send me messages, just like old-fashioned e-mail, and I can download information from her memory. It’s great  53  an e-friend – I am never lonely and I always have someone to talk  54  .

I would like to tell you more about life in the year 3044, but I have to send my e-friend to clean up my room. Maybe  55  I will be able to travel back in time and visit you.

46. A. of      B. from      C. in      D. with

47. A. different       B. difference     C. differently      D. differences

48. A. like      B. for     C. at     D. up

49. A. something     B. anything     C. nothing     D. everything

50. A. many      B. a number of     C. a lot of      D. the number of

51. A. with     B. at      C. on      D. doing