Man has been interested in robots for quite some time. Scientists are always inventing new and better robots,     1     which will play an important role in our future lives.

First, smarter robots will help us with the housework. They will take over jobs such as preparing meals, washing dishes, and sweeping the floor, so that     2     我们会有更多的自由时间玩乐。

Second,     3     robots will help us with our work. They will do all the heavy and dangerous work, and help out in hospitals, schools and offices.

Third, robots will be our friends. Whenever we feel sad, lonely or upset,     4     我们可以跟机器人聊天。Robots will not only be good listeners, but they will also offer us good advice.

In conclusion,     5     robots will be more and more clever and will benefit us in many ways.