was regarded as impossible has now become a reality. [ ] A.WhatB.ItC.ThatD.Whoev
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![was regarded as impossible has now become a reality. [ ] A.WhatB.ItC.ThatD.Whoev](/pic/43_930162.jpg)
________ was regarded as impossible has now become a reality.
[]
A.WhatB.ItC.ThatD.Whoever
试题答案
答案:A
解析:what引导主语从句,同时在从句中作主语。 |