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?