My friend John has got restaurant in a big city. It is near a supermarket. There are ten robots(机器人) the restaurant. The robots do different (job) for John. Look! One robot is cooking food; two robots (wash) the dishes; three of them are giving food to the customers. John is good at studying robots and he (know) robots very well I think in the future, there will be a lot of robots working for us in the world.
