单项选择题

Tom and Fred were talking about the year 2050. "What will (41) 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 (42) to guess," said Torn. "In the year 2050 everybody will (43) a pocket(袖珍) computer. The computer will give people the (44) to all their problems. We shall all have telephones in our pockets, (45) . And we’ll be able to talk to our friends all over the world. Perhaps we’ll be able to (46) them at the same time. Machines will do (47) of the work, and people will have more (48) . Perhaps they will work only two or three days a week They will be able to fly to the moon by space ship and spend their holidays there."
"I’m very (49) to hear that. I hope to fly to the moon. And I hope I’ll be able to live (50) ," said Fred. "Won’t that be interesting Just like a fish.\