阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

Observerssay Americans want more choices and fresh food when ____(choose)where and whatto eat. This trend is one reason why the fast food restaurant McDonald's hasstruggled financially.

 McDonald's is one of the best­known____(restaurant) in the U．S.and even around the world，____these days McDonald's income has dropped. The January earnings report broughtmore bad news. Worldwide sales dropped for the ____(eight) month in a row andeven more than expected.

 McDonald's ____(work) hard to get theircustomers back. In January, the company ran an advertisement during the SuperBowl. The football game is the most watched TV event every year in the U．S. McDonald's has wanted ____(reach)those viewers.

 Shake Shack is ____ new kind of restaurantbecoming popular in the U．S.The restaurants are not “fast food”. They are known as “fast casual”．____ McDonald's is struggling to gettheir customers back, Shake Shack is doing well financially. The New York­basedburger chain had a very ____(success) IPO, or initial public offering, ofshares at the end of January. ____ its first day of trading, Shake Shack wentfrom $21 a share to just under$46 a share.

 Shake Shack's a quality hamburger. It's fast food,but not“fast food” food. Being part of the “fast casual” trend has helped ShakeShack.