问题补充:
In the USA, Thanksgiving Day is a harvest festival. Traditionally, it is time to give thanks for the harvest and express gratitude in general.
A. the; a
B. /; the
C. /; a
D. the; the
答案:
A. the; a
B. /; the
(答案→)C. /; a
D. the; the
解析:句意:在美国,感恩节是个收获的节日,传统上,它是一个对收获表示感谢和感激的时间。第一空不填,Thanksgiving Day:感恩节前面不加the,第二空填a,泛指“一个时间”,选C。