五、阅读下面的短文,用方框中所给词的适当形式填空,使文意通顺,结构正确。(每个单词限用一次)
go, take, difference, use, do, build, grow, watch, health, subject
Life in the 22nd century will be 1. from life in the 21st century, because many changes will 2. place in the new century. But what will the changes be?
The population is 3. fast. There will be more and more people in the world and most of them will live longer than before. Computers will be much smaller and more 4. , and there will be at least one in every home. Computer studies will become one of the most important 5. in school.
People will work fewer hours in the 22nd century, and they will have more free time for sports, 6. TV and traveling. Traveling will be much cheaper and easier. More people 7. to other countries for holidays.
There will be changes in our food, too. More land will be used for 8. new towns and houses. Then there will be less land for keeping cows and sheep, so meat will be more expensive. Maybe no one will eat meat, instead they will eat more vegetables and fruit. Maybe people will be 9. .
Work in the future will be different, too. Dangerous and hard work will 10. by robots. Because of this, many people won't have enough work to do. This will be a problem.

1. different 2. take 3. growing 4. useful 5. subjects 6. watching 7. will go 8. building 9. healthier 10. be done