—Why do you look worried? —Fred left the company half an hour ago. His work unfinished since. A. lef...
2022-10-06 09:51:57 167次 江苏省2017-2018年九年级上英语语法时态专项练习 2018年 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Why do you look worried?
—Fred left the company half an hour ago. His work unfinished since.
A. left B. was left
C. has left D. has been left
本题链接：
