Today there is an international robot show in Ha Noi. People can see many types of robots there.Home robots are useful for housework. They can do most of the housework: cook meals, clean the house, do the washing, and iron clothes. Teacher robots are the best choice for children. They can help them to study. They can teach them English, literature, maths and other subjects. They can also help children to improve their English pronunciation. People are also interested in other types of robots at the show. Worker robots can build houses and move heavy things: doctor robots can look 1.What show is on inHanoi now ? 2.Which type of robot can help children in their study? 3.What can worker robots do? 4.Can doctor robots take care of children?