he has done it is surprising. he has done is surprising.A.WhatB.ThatC.WhetherD.I
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_____ he has done it is surprising. _____ he has done is surprising.
A.What
B.That
C.Whether
D.If
试题答案
B
A.第一句意义完整,所以用That引导主语从句.第二句do需带宾语,所以用What引导主语从句.