Complete the passage using suitable connectors.
Morning walk is a good habit for all classes of people. (a)___ it is a simple exercise, it is good for health both physically (b)___ mentally, (c )___ the morning air is fresh and free from any kind of noise and pollution's, it keeps us sound and healthy, Morning walk costs nothing (d)____ gives (e)___ more, we should make the habit of morning walk.