阅读短文，从下列各题所给的A、B、C、D四个选项中选出一个最佳答案。
Life will be      because many changes will take place in 30 years, but what will the changes be?
The population is growing fast. There will be     people in the world and most of them will live longer than before. Computers will be      smaller and more useful, and there will be at least one in every home. Computer science will be one of the most important    in school. People will work fewer hours than they are doing now, so they will have more free time for sports, watching TV and traveling. Traveling will be much cheaper and   . Many more people will go to other countries     holidays.
There will be changes in our food, too. More land will be used for     new towns and houses. Then there will be less     for cows and sheep, so meat will be more expensive. Maybe people won’t eat it every day; they will eat more vegetables and fruit instead. Maybe people will be healthier.
Work in the future will be different, too. Dangerous and hard work will      by robots. Because of this, many people will not have    to do. This will be a problem.

A．same B．difference C．different D．difficulty

A．little and little B．less and less C．many and many D．more and more

A．much B．many C．more D．most

A．subject B．subjects C．way D．games

A．easily B．more easily C．easy D．easier

A．for B．with C．at D．in

A．build B．building C．to build D．builds

A．rooms B．room C．spaces D．sea

A．done B．do C．be done D．did

A．many work B．enough works C．much works D．enough work