Read the article below. Choose the correct word to fill in the gaps. Choose the correct word to fill each gap.
SECRET SHOPPERS
Tim Wright knows all about making companies more efficient. His firm, Check-up, sends "secret shoppers" into retail and leisure companies________order to make sure that customers are receiving good service. After________visit, the secret shoppers prepare a report for the company to let them know________good or bad the service was.
“Companies like to know," says Mr. Wright, "________customers go into a store just a few minutes before closing time, they will________get good service."
Check-up________set up in the west of England in 1992 and________two years moved to London so it could offer a nationwide service. ________the last three years , Check-up's profits have________dramatically as companies have come to realize________great importance of good customer service. Having started with just three employees, Check-up now has a staff________sixty-five and last week________an important new contact________a major supermarket chain.