Only when we had finished all the work ________ that it was too late to take a bus home.
A、did we realize
B、will we realize
C、we did realize
D、we will realize
出自:兰州工业学院-大学英语

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