121. ____ the high cost of fuel, customers are buying smaller, more efficient cars

• A. Together with
• B. Instead of
• C. As well as
• D. Because of 

122. Over the past ten years, Bellworth Medical Clinic ____ Atlan Protection officers for all security needs

• A. is hiring
• B. were hiring
• C. has hired 
• D. was hired

123. The driver will make three ____ to deliver the package before it is returned to our warehouse

• A. attempts 
• B. pursuits
• C. aims
• D. experiences

124. We congratulate all Riverside employees, whose ____ effort has resulted in a 20 percent reduction in waste disposal costs

• A. collect
• B. collective 
• C. collects
• D. collector

125. Andrzej Ptak's photography Web site will be available online ____ we have finished organizing and cataloging his work

• A. how
• B. once 
• C. so too
• D. not only