B    Tom and Fred were talking about the year 2050. "What will __ 36    be like in the year 2050、" asked Tom. "I don't know, " said Fred, "What do you think、" "Well, no one knows. But it is      37    to guess, " said Tom, "In the year 2050 everybody will__38    a pocket (袖珍) computer.  The computer will give people the 39  to all their problems.  We shall all have telephones in our pockets,      40    . And we'll be able to talk to our friends all over the world.  Perhaps we'll be able to 41    them at the same time.  Machines will do    42    of the work, and people will have more    43  Maybe they will work only two or three days a week.  They will be able to fly to the moon by spaceship and spend their holidays there, "    "I'm very _44    to hear that. I hope to fly to the moon. And I hope I'll be able to live _ 45  , " said Fred, "Won't that be interesting、 Just like a fish. "