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Error Correction He goes ski-ing every once in a while. There was a decrease of the consumption of cigarettes. The level of crime has fallen over the last twenty years. To our surprise, the cost of living raised by 4% last year. The number of foreign students has risen during the last decade. A big proportion of people study English as a foreign language. The standard of living in the inner city has improved. By comparison with the USA, Canada has done more to reduce carbon dioxide emissions. I heard the news yesterday and couldn’t believe that such a terrible thing had happened. You must be concentrated on your work if you wish to continue to make progress. I wanted to learn to play the drums when I was young but my father wouldn’t let me. I have two teenage sons and a five-year-old daughter. There will be a final exam at the end of the course. I’ve been living here for two and half years. You have a one out of a million chance to win the lottery. It’s worth seeing Miss Saigon while you are here in Edinburgh. The country is experiencing serious economical problems. At first, the machine must be switched on. News of the event didn’t reach the city until several hours later. You must make a distinction between visual and verbal memory. British English differs from American English in several ways. It’s important that we make the most of our time here in Scotland. Television is a powerful medium. The legal battle went on for years, but in the end they lost. Smoking can have a serious affect on your health. The problem with gravity is that it affects our bones, muscles, etc.