短文语法填空。阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的适当形式。
By 2050，Futurologists（未来学家） predict that life will probably be very different 41______ 2050.
TV channels will have disappeared.42_________, people will choose a program from a “menu” and a computer will send the program 43_______(direct) to the television. Today, we can use the World Wide Web 44_______read newspaper stories and see pictures on a computer thousands of kilometers away. By 2050, music, films, programs, newspapers,45_______ books will come to us by computer.
Cars will run on new, clean fuels and they will go very fast. Cars will have computers to control the speed and there won’t 46______any accidents. Today, many cars have computers 47_______tell drivers exactly where they are. By 2050, the computer will control the car and drive it to your destination. Space planes will take people halfway around the world 48______ 2 hours. Today, 49_______United States Space Shuttle can go into space and 50______ on Earth again. By 2050, space planes will fly all over the world and people will fly from Los Angeles to Tokyo in just 2 hours.
