用方框中所给词的适当形式完成短文.

    In the future，life will be much . Maybe there will be vision phones(可视电话)in every . People can have a medical examination without a or a nurse in the room and do some shopping without their homes. And what education? There will be educational programs on the radio or on TV. So many children who live in faraway villages don't need to to school every day. They stay at home. Each family has a robot. Robots will people do their housework. Perhaps some people will fly to the for a holiday and some scientists can live under the .