Ребят, выручайте, а то я совсем дерево в английском. 5 вопросов по этому содержанию.
1. What is the main purpose of advertising? 2. For how long have advertising been playing a big role in global economy? 3. What media are used to deliver advertising messages? 4. How much money do non-profit organizations usually spend on advertising? 5. What is covert advertising?