– He must be a top student ihis school.–
·I have doubt.
·There is no doubt about it.
·Yes. No doubt.
·It is not doubtful.
出自:佳木斯大学语言治疗学

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