With the worldwide oil crisis, the price of oil has been raised ______ 15%. A. about B. with C. of D. by
出自:西安交通大学--英语三

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