_____ 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
出自:国家开放大学英语语法

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块