We were dancing to music when all of sudden the power went out and we were left in the d

问题补充：

We were dancing to music when all of sudden the power went out and we were left in the dark.

A. the; a

B. the; /

Ca; /

D. /; the

答案：

(答案→)A. the; a

B. the; /

C. a; /

D. /; the

解析：

试题分析:考查冠词用法。固定短语all of a sudden“突然”，dance to the music“随着音乐跳舞”，故 A选项正确。句意：我们正随着音乐跳舞这时突然停电了，我们陷入一片黑暗中。