阅读下面短文,根据短文意思和首字母提示补全单词,使短文意思完整.

阅读下面短文,根据短文意思和首字母提示补全单词,使短文意思完整.
In some science fiction movies,people in the future have their own robots.They help with the housework,and do the 36.m______ unpleasant jobs.Some scientists believe that there will be such robots,and they think that robots will be 37.a______ to talk to people in the future.But James White thinks it will be 38.d______ for a robot to do so.However,they agree it may 39.t______ hundreds of years.They are now trying to make robots look like people,and do the same things 40.a______ us.There are already robots 41.w______ 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 42.l______ work to do.New robots will have many different 43.s______.Some will look like humans and 44.o______ might look like snakes.They could help look for people under buildings 45.a______ an earthquake.That may not seem possible now,but we never know what will happen in the future!