Beijing is big city and it’s capital of China.A. the theB. a aC. the aD. a the

问题补充：

Beijing is big city and it’s capital of China.

A. the, the

B. a, a

C. the, a

D. a, the

答案：

A. the, the

B. a, a

C. the, a

(答案→)D. a, the

解析：句意：北京是一座大城市，它是中国的首都。a big city一座大城市，表泛指，the capital of China中国的首都，特指，故选D