______after a long walk,Tom called and said he could't come for our party.A.Having been worn out B.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

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______afteralongwalk,Tomcalledandsaidhecould''tcomeforourparty.A.HavingbeenwornoutB.WearingoutC.Havin

______after a long walk,Tom called and said he could't come for our party.A.Having been worn out B.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
______after a long walk,Tom called and said he could't come for our party.
A.Having been worn out B.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

______after a long walk,Tom called and said he could't come for our party.A.Having been worn out B.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
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.

因为此处不强调动作的先后,而是只表示状态。

A 是表示过去完成进行时,表示动作从过去到现在还在进行,而D表示一般过去时,动作已经完成

wear out 是不及物动词短语,没有被动形式