Great changes ______ in Shanghai since the beginning of the reform and opening-up policy.(1分)
Atook place
Bhas taken place
Chas been taken place
Dhave taken place
出自:武汉科技 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