Beijing is old and beautiful city. It is capital of China.A. an aB. the aC. an theD.

问题补充：

Beijing is old and beautiful city. It is capital of China.

A. an, a

B. the, a

C. an, the

D. the, the

答案：

A. an, a

B. the, a

(答案→)C. an, the

D. the, the

解析：北京是一座古老又美丽的城市。它是中国的首都。city 是可数名词，old是元音开头，根据语境可知用an，用the表特指。由句意可知选C。

考点: 考查冠词的用法。