4 Complete the text with the correct form of the words in brackets.
Yesterday I had a few errands to run. I had to (1) (new) my car insurance and then I went to a (2) (laundry) to get my clothes washed. While waiting there I was watching TV and I started to think about the different forms of advertising. Apart from regular commercials, there is product (3) (place) in films, (4) (sponsor) of sports events and there are of course hundreds of thousands of people who buy things because of celebrity (5) (endorse).