Making students aware of grammatical information is one of the teaching objectives, allowing students opportunities for using the language is just as important.
出自:乐山师范学院英语学科教学论

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