Directions: There are 20 blanks in the following passage, and for each blank there are 4 choices marked A, B, C, and D at the end of the passage. You should choose ONE answer that best fits into the passage. Then blacken the corresponding letter on the Answer Sheet. 

In the summer of 1838, John Wannamaker was born in Philadelphia. His father was a brick-maker. Whenever he was not   56   school, John was engaged in turning bricks which were laid in the sun to   57   . Thus, the quality of working   58   was instilled (灌输) into the young man.   59   his own diligence, he later became the merchant prince of Philadelphia.

A few years later, school was   60   and he worked in a store four miles away   61   his home. He walked eight miles every day, going to work in the morning and   62   back home in the evening. He   63   only $1.25 for the entire week’ work. Afterwards he was   64   as a clerk in a law office, and later he worked in a clothing store at a   65   of $1.50 per week. Here he seemed to find the calling   66   suited his taste, and he developed a pleasing disposition (性格 ). People   67   to trade with the young clerk. It was not long   68   he was called to responsible positions.

In 1861, he already saved several hundred dollars. As he had   69   a reputation for honesty and ability, he was able to start in business on his own account. This firm of Wannamaker & Brown was situated   70   the corner of Sixth and Market streets. As the business   71   , other stores were opened. John Wannamaker, the poor clerk—after a   72   of twenty years of hard work, pushed by energy, controlled a force of 6,000 employees. Not only did the firm handle clothing, but also articles that could be generally   73   in retail (零售) stores.

The secret of his great success is his tireless diligence, and a   74   mastery of his business. He was one of the most successful merchants in history who were extremely good at thinking of new business ideas and   75   them successful.