Never before _________ see such a terrible car accident on the road!
选择一项:
A. have I
B. did I
C. I have
出自:人文英语4

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