Complete the text, using the correct forms of the words in the box.

housing                        afford                   unemployment                   expand                     seek

Urbanisation brings a lot of changes. First, people living in rural areas move to cities to (1) _______ better jobs and improve their lives. As a result, urban areas are (2) _______. Second, more high-rise buildings are built to provide (3) _______ for the increasing number of urban residents. However, it is too expensive, so many people cannot (4) _______ to buy their own house. In addition, many people find it hard to find jobs in overcrowded cities, so (5) _______ rates there are rising.