根据短文内容和首字母的提示，把所缺单词填写在短文后面的横线上。
In the (1) m______ world, advertising is everywhere! Some people think that ads are great. Others
(2) h______ ads, saying that they make our cities and countryside look ugly. Many ads are (3) a______
specifically at teenagers, and some young people see more than 100 advertisements a day. It's true that
some ads can be very useful! For instance, they can help you to compare two different products so that
you can buy the (4)o______ you really need. They can also help you (5)s______ money. When prices are
listed, you can go to the store with the (6)l______ price.