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
人气：378 ℃ 时间：2020-06-03 08:17:59
解答
was not finised过去式
had not been finished过去完成时
随便选一个
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