2、 Pick out the idioms in the following extract and explain its origin and the effect of using this form. 5)indicates intimacy or close relationship [ 9 分 ]
出自:乐山师范学院-词汇学

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