He was in mood for a song as his income was on increase.A. a ; /B. a ; theC. the ; /D. t

问题补充：

He was in mood for a song as his income was on increase.

A. a ; /

B. a ; the

C. the ; /

D. the ; the

答案：

A. a ; /

B. a ; the

C. the ; /

(答案→)D. the ; the

解析：考查冠词：句意：他有心情唱歌，因为收入在增加。in the mood for是“有心情做 ...”，第二空是on the increase在增加。选D。