It was cold winter night and the moon was shining brightly across night sky. A. 不填；a B.

问题补充：

It was cold winter night and the moon was shining brightly across night sky.

A. 不填；a

B. a; the

C. the; a

D. the; 不填

答案：

A. 不填；a

(答案→)B. a; the

C. the; a

D. the; 不填

解析：第一空“一个寒冷的冬夜”，应用不定冠词a；第二空“夜空”，指独一无二的事物用定冠词the。故答案为B。

【考点定位】考查冠词用法