1.study at home on computers
2in the future .
3.at free
4.live to 200 years old
5.after 100 years
6.a piece of paper
7.more/less trees
8.more/less pollution
9.take the subway less
10.use more
11.agree with sb
12.talk with sb
13.use sth to do sth
14.live at an apartment
15.fly rocks to the moon
16.fall into love with.
17.live alone
18.be able to do sth
19.go to Hongkong on vacation
20.fly to the moon on vacation
21.someday
22.work for sb
23.look smart
24.achieve
25.predict the future
26.see sb do /see sb doing sth
27.hundreds of by the hundres
28.in space
29.have one's own robot
30.science fiction
31.help sb do housework
32.do same thing as sb
33.wake sb
34.make friends with sb
35.sb be doing sth at/in sp
36.look more like
37.over and over again
38.less work to do
39.It is intresting to do sth
40.after 25 years to 50 years
