to sunlight for too much time will do harm to one’s skin. A.Exposed B.Having exp

______to sunlight for too much time will do harm to one’s skin.

A.Exposed 　 B.Having exposed　

C.Being exposed 　 D.After being exposed

试题答案

C

由题意“暴露在阳光下太久,会伤害人的皮肤”可知应采用-ing形式的被动式作主语。