Lots of people pretend that they never read advertisements, but this claim may be seriously doubted. It is 1) ________________ not to read ads these days. And 2) ___________ they often are, too! Just think what a railway station or a newspaper would be like without ads. We must not forget, either, that advertising makes a 3) ______________________ to our pockets. Newspapers, commercial radio and television companies could not exist without this 4) ___________ revenue. The fact that we pay so little for our daily newspaper, or enjoy so many broadcast programs, is 5) ___________ the money spent by advertisers. Just think what a newspaper would cost if we had to pay its full price!