Water Shortage!
Getting water seems (seem) so easy for many people. You will be___41___(mistake) if you think there is an___42___(end) supply of water. In fact, the world has a water shortage. Seventy percent of the world is___43___(cover) in water. But most of it is salt water. Only a small___44___(percent) is fresh drinking water .Countries___45___(include) Spain, Italy and South Africa actually import water from countries such as the United States and Australia.___46___(surprising), 1.1 billion people on earth have difficulty___47___(get) clean drinking water. This global problem is predicted to get___48___(bad) as the atmosphere becomes warmer.
Every person in Britain___49___(use) about 150 litres of water a day. In some countries people only have 5 to 10 litres a day! They would be___50___(shock)to learn how we waste drinking water.