Have you ever beeto the Great Wall iBeijing—____________ ( )
· Yes, I am.
· Certainly, I went there.
出自:运营管理

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