Our graduation party was success.We sang and danced until it came toend at ten o’clock.A.

问题补充：

Our graduation party was success.We sang and danced until it came toend at ten o’clock.

A. a;the

B. a;an

C. the;an

D. / ; /

答案：

A. a;the

(答案→)B. a;an

C. the;an

D. / ; /

解析：考查冠词的用法。此处a success表示“一件成功的事情”；come to an end是固定短语，表示“结束”。