Students or teachers can participate in excursions to lovely beaches around the island at reqular ()
A. gaps
B. rate
C. length
D. intervals
出自:吉林师范大学大学外语III

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