No one helped me. I did it all myself.
A. for
B. by
C. to
D. From
出自:乐山师范学院第二外语(英语)

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