His arm was not in a sling, and showed no sign_____ .
A.of having been damaged
B.of having been damaging
C.to damage
D.to be damaged
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