Read the following advertisement and mark the letter A, B, C or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 1 to 6.

The Importance of Exercise
Exercise is a crucial part of a healthy lifestyle. Many people (1) _______ various physical activities, such as running, swimming, or dancing. Irrespective of the type of exercise, it is important to stay active. Regular exercise can improve your physical health and mental well-being.
A (2) _______ of studies have shown that people who exercise regularly have lower stress levels and feel happier. Exercise (3) _______ endorphins, which are chemicals in the brain that act as natural painkillers and mood lifters.
While some individuals may prefer team sports, (4) _______ enjoy solo activities. This means that everyone can find something they love. For instance, you can join a gym or take classes in yoga or martial arts. Other (5) _______ include hiking or cycling, which allow you to enjoy nature while getting fit.
In conclusion, exercise is essential for everyone, (6) _______ age or fitness level. Making time for physical activity can lead to a healthier and happier life.