Directions (6-15): Fill in the blanks choosing the word that is most appropriate in the context of the passage.
Smile, they say, and soon there will be miles and miles of smiles. If we keep (6) ------ ourselves and do not mix with others, we shall soon be left alone to ponder (7) ------ the misfortunes of life. Nobody likes to come across a (8)-------- and self-centered person. People (9)------- gregarious and outgoing souls who are prepared to share their joys and sorrows with them. Their joys double and sorrows (10)-------- if they have the capacity to laugh (11)--------- their problems and miseries. Laughter brings people (12)------- whereas keeping to oneself distances people. It has, (13)------, been rightly said that laughter is the shortest distance between two persons. Once two persons (14)------- together, the circle of acquaintance and consequently, friendship (15)-------- thus making the world a happy place to live in.