选词填空 ,从方框中选择合适的单词填入短文，使短文意思完整。

shapes，teke,  less, others, most, able,  difficult, after,  working ,  as

In some science fiction movies，people in the future have their own robots.They help with the housework，and do the ____ unpleasant jobs.
Some scientists believe that there will be such robots，and they think that robots will be_____ to talk to people in the future.But James White thinks it will be _____ for a robot to do so.However，they agree it may _____ hundreds of years.They are now trying to make robots look like people，and do the same things _____ us.There are already robots _____ in factories.They do simple jobs over and over again.They will never get bored.
In the future，there will be more robots everywhere，and humans will have _____ work to do.New robots will have many different _____.Some will look like humans and______ might look like snakes.They could help look for people under buildings _____ an earthquake（地震）.That may not seem possible now，but we never know what will happen in the future!