Complete the sentences with the correct forms of the words in brackets. Write the answers in your notebook. 1 It is apparently possible to stop cold (call) by contacting your phone service. 2 Product popular form of advertising in films. 3 You can see signs of sports (place) is becoming a very (sponsor) every time you watch a football match or other big event. (market) campaigns involve TV advertising and offer free gifts and special discounts. 5 I know a lot of people who buy certain things because (endorse). of celebrity 6 The Internet has allowed techniques such as 4 Most effective. (virus) advertising to become very effective​