(2分)It is said that what ______ the big forest fire was a small cigarette butt.

A. led to
B. resulted from
C. made up
D. put out
出自:兰州财经大学大学英语

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