Fill in the blanks with prepositions and articles (a, an, the or X). 

Travelling has (a)___great influence (b)___our minds. The human mind always craves (c)___ change. There is none who does not feel a thrill of joy (d) ___  the new sight of experience.  The traveler comes in contact (e)___ various types of people. If he moves (f) ___ the observant eyes, he can acquire (g)___lot of practical knowledge about men and things of (h)___ world which books alone cannot provide. Travelling gives us (i)___opportunity to enjoy the more  enchanting sights of nature. It helps one enrich his knowledge and makes him completely (j) ___ perfect man.