______after a long walk,Tom called and said he could't come for our party.
问题描述:
______after a long walk,Tom called and said he could't come for our party.
A.Having been worn outB.Wearing out
C.Having worn out D.Worn out
答案:D worn out发生在谓语动词called、said之前应该用完成时为什么不选A呢?A和D区别是什么啊
答
A 是现在完成时,属于现在的时态范畴,前后两个句子的时态通常要保持一致,所以根据后面的句子中called、said判断,应该用过去的时态,所以要选D.