A survey was carried out last year (1) _____ the British Medical Association, an organisation of doctors. It showed that most people do not do enough exercise. In 1995, 60% of people walked more than one mile a day. Now, that number has fallen (2) _____ to only 20%. (3) _____ more people are going to the gym, fewer people are walking. Doctors say we need (4) _____ for 20 minutes three times a week. (5) _____ is an easy form of exercise that everyone can do. If you (6) _____ one mile each day, you will improve your health very quickly. Doctors say we need to tackle this problem head (7) _____ and try (8) _____ people fitter because not doing enough exercise is responsible (9) _____ many of the country’s health problems. Doctors suggest you go (10) _____ a walk everyday after dinner.