( ) seeing the damage he had done, the child quickly ran away.

A.At
B.By
C.On
D.For
出自:当代英语语法概论

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