walter offered us a liftwhen he was leaving the office,but our work _,wedeclined the offer
问题描述:
walter offered us a liftwhen he was leaving the office,but our work _,wedeclined the offer
空里填这 not having been finished,行不?
not being done行不行
答
was not finised过去式
had not been finished过去完成时
随便选一个