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I don't understand what he said . [ ] A.in allB.after all C.at allD.all about

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I don't understand what he said . [ ] A.in allB.after all C.at allD.all about

I don't understand what he said ______.

[]

A.in allB.after allC.at allD.all about

试题答案

答案:C

解析:

at all一般用一否定句中,以加强语气,有“根本(不),完全(不),一点也(不)”的意思.有时也可用肯定句,意思是“竟然,真的”等,用来加强语气.