We confirm( ) your S/C dated Feb. 23, 2009. A. have received B. having received C. had receiving D. having receiving
出自:乐山师范学院商务信函处理

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