Complete the sentences below with the correct form of make or do and a noun from the box
suggestions; loss; research; mistake; plans; money; their best; decision; complaint; business
1. price is not the only things customers consider when making a decision about which product to buy
2. since the early 1980s, many manufacturers have                  into developing environmentally-friendly products
3. Many retailers have extended opening hours and some are now even                       on Sundays
4. A customer has               a                       about the poor quality of some frozen foods on sale at our store
5. We                  a                   last year of approximately $50,000.
6. Customers receive a questionnaire in which they are invited to                  about new products that they are invited to                   
7.the results show that retailers can               more                  by introducing products that carry their own brand name
8. At the moment they are ________________ to expand business into other countries
9. the friendly shop assistants _________________ ________________ to ensure that customers are satisfied
10. the customer complained that the employee had _________ a ________and overcharged her for the CD player

2. since the early 1980s, many manufacturers have done research into developing environmentally-friendly products3. Many retailers have extended opening hours and some are now even do their business on Sundays4. A customer has made a complaint about the poor quality of some frozen foods on sale at our store5. We made a loss last year of approximately $50,000.6. Customers receive a questionnaire in which they are invited to make suggestions about new products that they are invited to buy.7. the results show that retailers can make more money by introducing products that carry their own brand name8. At the moment they are making plans to expand business into other countries9. the friendly shop assistants do their best to ensure that customers are satisfied10. the customer complained that the employee had made a mistake and overcharged her for the CD player.