题干

I ________ in Nanjing for many years, but I’ve never regretted my final decision to move back to Huai’an.
A.workedB.was workingC.have workedD.had worked
上一题 下一题 0.64难度 单项选择 更新时间:2016-01-21 03:34:12

答案(点此获取答案解析)