Directions: Read the passage and fill in the 12th blank with the most appropriate option.
In order to excel in the work place it is very important for a person to remain devoted and focused. His (6) ______ can help him in excelling. He should be able to deliver his best in performing the duties which have been (7) ______ to him. His real test lies in seeing how well he conducts himself during the period of (8) ______. A good businessman should not possess a (9) ______ ego. He should never give a chance to (10) ______ him because of his (11) ______ behaviour. He should (12)______ by his work that he has the capability to (13) ______ any obstacle that comes in his way of success. He should be able to (14) ______ the same attitude among his other staff members. His work should not make them (15) ______ but rather should (16) ______ them.