四、语法填空(10分)(2017·嵊州)
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空(每空不多于3个单词)。
To save time, many Americans buy food which can be 42________(quick) made ready for the table. On holidays, families enjoy 43________(have) delicious meals. For example, on Thanksgiving Day，the44________(four) Thursday in November, family members get together for a turkey dinner with pumpkin pie.
The United States is known 45________ the world for 46________(it) fast food, such as 47________(hamburger), sandwiches, pizzas, salad bars, 48________ many kinds of icecream. People can easily 49________(find) fast food chains(连锁店), such as McDonald's and KFC, in most of the big cities in the world. However, many people think that fast food isn't 50________(health) for us although it can help people save 51________(many) time.
四、42. quickly 43. having 44. fourth 45. around
46. its 47. hamburgers 48. and 49. find
50. healthy 51. much
