Peter was disappointed to see the bike he had ________ went wrong again.
问题描述:
Peter was disappointed to see the bike he had ________ went wrong again.
A.repaired B had repaired C.repair D.to repair
为什么不选A?知道选B的理由,但是不知道为什么不可以选A?
答
Peter 很失望的看到他已经修好的车又坏掉了.the bike he had repaired 那辆他修理过的车
这里用了一个过去完成时 had+ 动词分词老师,答案给的是B,因为had sth done 这个结构。我想问的是为什么不可以选A呢?