阅读短文，从方框内所列选项中，选出最佳选项填入对应空白处，使短文通顺、连贯。（选项中有一项多余）
The future is full of surprises, and many people believe it will be better than today. Scientists and engineers are working hard to solve problems like pollution and energy shortages. Let's imagine some fun possibilities!
31 For example, robots might help us do boring chores like cleaning or cooking. Students might not need heavy schoolbags because all their books could be stored on small computers.
32 Some scientists think we'll use flying bikes or electric cars that don't pollute the air. Traveling to other countries could become faster and cheaper.
What about nature? 33 People might plant more trees and use clean energy like solar power. Animals in danger today could live safely in bigger forests.
34 Teachers might use virtual reality (VR) to make classes more exciting. Students could "visit" ancient Egypt or explore space without leaving their classrooms!
Everyone hopes for a happier world. 35 If we work together, the future will be bright!
A. Schools will also change in amazing ways.
B. The environment could become much cleaner.
C. Technology will probably make our lives easier.
D. Some people worry that robots will take over jobs.
E. Transportation will be totally different in the future.
F. All those possibilities can come true.
31.
32.
33.
34.
35.

31. C
32. E
33. B
34. A
35. F