Complete the text adding prefixes, suffixes or both with the root words given in the parenthesis. Knowledge (a) (light) our mind. It enables a man to have (b) (master) over all forces of nature. There are so many wild beasts which are (c) (strong) than man. There are forces in nature such as (d) (light) and thunder, flood and earthquake etc. which can destroy a man and (e) (civil) in a moment. But a man rules over them all and makes them serve (f) (accord) to his wish. He makes use of the solar power to (g) (bright) the night. He is the (h) (conquer) of time and space. All discoveries and (i) (invent) are the results of (j) (know). It makes him (k) (doubt) the mightiest of all the (l) (create) in the universe. To maintain (m) (superior), man has to work (n) (through) his life.

  Knowledge (a)enlightens our mind. It enables a man to have (b) mastery over all forces of nature. There are so many wild beasts which are (c) stronger than man. There are forces in nature such as (d) lightening and thunder, flood and earthquake etc. which can destroy a man and (e) civilization in a moment. But a man rules over them all and makes them serve (f) according to his wish. He makes use of the solar power to (g) brighten the night. He is the (h) conqueror of time and space. All discoveries and (i) inventions are the results of (j) knowledge. It makes him (k) undoubtedly the mightiest of all the (l) creatures  in the universe. To maintain (m) superiority, man has to work (n) throughout his life.