Band 6+: 1 Do you think that within the next 100 years we will be trying to build new cities on other planets? 2 What would happen if the government put limits on how many people were allowed to live in big cities? 3 Today, many young people move away from smaller towns to big cities. What effect does this have on these small towns?

Yes, I think that within the next 100 years, we probably will be trying to build new cities on other planets. First of all, I think that we will try to build some towns or cities on Mars or the Moon. Then it will help us solve the problem of overpopulation. If the government puts limits on how many people are allowed to live in big cities, it will decrease the cost of living in those cities. Also, a lot of people will move to smaller cities, so the economy of smaller cities will rise. It is good, but the economy of bigger cities...