Feeling that the directions for the exercise were difficult to understand, the students asked the teacher to_______them by explaining them further. ______
出自:安徽建筑大学-工程造价

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