In the modern world , advertising is everywhere ! Some people think  ___    __  ads are great . Others hate ads , saying that they make our cities and countryside look ugly. Many ads are aimed __    __ at teenagers , and some young people see more than 100 advertisements a day . It is true that some ads can be very  __    __ . For instance , they can help you compare two different products so that you can buy the one you really need . They can also help you ___    ____ money. When prices are listed , you can go to the store with the lowest__    __. Ads also tell you when stores are having sales . However , some advertising can be confusing or misleading . Sometimes the words sound good but don't really tell you anything about the quality of the product . At other times , the picture in an ad__    __ a lot better than the real thing . So you have to be careful . At times , an ad can lead you to buy something you don't need at all .
A. that                   B. what       C. which
A. Impossibly.    B. impolitely.    C. specifically.
A. awful          B. useful         C. careful.
A. save          B.waste.          C.lend.
A. pictures.       B. stores.       C. prices.
A.sounds .         B. looks.         C. feels.