题目内容：

Life in the 21st century will be different from that in the 20th century, because many changes      in the new century,   what will the changes be?

First, the population is growing very fast. There    more and more people in the world and most of them will live longer than before. Computers will be    smaller and more useful, and there will be     one in every home. And computer studies will be one of the most important   subjects in schools.

Second, people will work         hours than they did in the 20th century, and they’ll have more free time for sports,     TV and traveling. Traveling will be even cheaper and easier. And more people will go to other countries for holidays.

Third, there will be changes in our food, too. People will use more land     new towns and houses. Then there will be less room for cows and sheep, so meat will be more expensive. Maybe no one will eat it every day, instead, they will eat more vegetables and fruit. Maybe people will be        .

Last, work in the future will be    , too. Robots will do the dangerous and hard work. Because of this, many people won’t have enough work to do. This will be a problem.

1.A. take placeB. take the placeC. will happenD. took place

2.A. butB. andC. soD. or

3.A. will beB. will haveC. areD. have

4.A. veryB. quiteC. muchD. too

5.A. at mostB. at leastC. more thanD. less than

6.A. fewB. littleC. lessD. fewer

7.A. watchB. watchingC. seeD. seeing

8.A. buildB. buildsC. to build D. for build

9.A. unhealthyB. healthC. healthiestD. healthier

10.A. dangerousB. difficultC. differentD. the same