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I regret that I am unable to help youA.sayingB.sayC.to sayD.said

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I regret that I am unable to help youA.sayingB.sayC.to sayD.said

I regret _____ that I am unable to help you

A.saying

B.say

C.to say

D.said

试题答案

C

试题

标签：unabletoamregretthat

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