14.It was an unpleasant task for the teacher to point out or hint at a student’s confusion in thought.(The Teacher as Dragon)
出自:英语(专升本)

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