题目

怎样判断用过去时还是过去完成时
I ____in New York for two years,but I've never regretted my final decision to move back to China.
A.was working B.have worked C.worked D.had worked

提问时间：2020-10-04

答案

D
had worked
发生于moved back to china 之前,发生于过去的过去,用过去完成时,而且后面有延续时间for two years.
过去时就表示发生于过去,没有时间延续.