1.I first met Simon three years ago.She_____at a university at that time.
A.has worked
B.was working
C.has been working
D.had worked
出自: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