3、 We have()a provisional agreement on technical cooperation. A. been interesting in B. entered into C. interested in D. entering into
出自:乐山师范学院商务函电写作

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