We have strong _____ for believing that the mine accident in Heilongjiang was due to the poor management.(本题2.5分)
A、 grounds
B、 reason
C、 cause
D、 purpose
出自:西安石油大学大学英语

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