There was a knock at the door. It was the second time. someone ______me that evening.
A、 had interrupted
B、 to have interrupted
C、 would have interrupted
D、 having interrupted
出自:石家庄铁道大学-土木工程-大学英语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