题目内容：

Will travel in the 1.（未来） be expensive? No, it will be 2.（便宜的）, we will travel 3. （到处、处处）by 4.（飞机）. We will be 5.to（能够）go into 6.（太空）, But maybe there will be 7. (交通) jams in the air. What do you think? Do you think this idea about life in the future will come 8.（真）?