When John left the office,Amy
at her desk.
A.is still working
B.has still worked
C.was still working
D.had still worked
出自:专升本英语

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