No. 1 The professor at the business school often tells his son that there is no such thing as a 100% ------- profitable business. (A) guarantee (B) guaranteeing (C) guaranteed (D) to guarantee No. 2 The hotel owner is thinking of ------- the business because of his age. (A) fold (B) folds (C) folding (D) folded No. 3 This report says that many of the customers are not satisfied ------- the quality of our service. (A) in (B) upon (C) for (D) with No. 4 Finding qualified members for this project could be ------- difficult. (A) extreme (B) extremer (C) extremely (D) extremity No. 5 The labor union went on ------- in front of the headquarters in Toronto to demand better wages. (A) trial (B) demonstration (C) hand (D) strike No. 6 While the sales team's ------- has improved, overall profit of the company has been decreased for the past two years. (A) motivate (B) motivates (C) motivational (D) motivation No. 7 Mr. Peterson's performance was considered to be a major ------- even though it received little media coverage. (A) success (B) succeed (C) successful (D) succesfully No. 8 My boss told me to take the rest of the day ------- because I was feeling sick. (A) off (B) over (C) on (D) ahead No. 9 In participating in Einstein business competition, the project team leader wants every member to be ------- and try things differently. (A) create (B) creative (C) creating (D) creation No. 10 Mr. Lee has served as the president of this company ------- fifteen years and contributed to the community a lot. (A) since (B) until (C) during (D) for