By tradition, on Independence Day, Americans play sports, have barbecues and hold parties throughout day to celebrate this festival.
A. the, the
B. a, the
C. the, a
D. /, the
网友回答
A. the, the
B. a, the
C. the, a
(答案→)D. /, the
解析：考查冠词。定冠词the表示特指，不定冠词a表示泛指，在专有名词前不用冠词，Independence Day美国独立日属于专有名词故第一空不用冠词，第二空the day特指独立日这一天，故选D。