How many days () there by the time you left.。

A . have you stayed
B . would you stay
C . had you stayed
D . did you stay

出自:广西科技大学大学英语1

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