John _____ hard for four years at a business college, and now he owns a big oversea company. A.has w...
2022-06-27 06:00:16 47次 江苏省南京市2019-2020学年高一12月五校联考英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
John _____ hard for four years at a business college, and now he owns a big oversea company.
A.has worked B.had worked C.worked D.was working
本题链接：
