Not I but he________the same mistake again and again．
A.have made
B.has made
C.had made
D.make
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B解析分析：本题的主语是not I but he(不是我而是他)，用not A but B作为主语时，主谓语一致关系要看B的人称和数。(不能用had made，因为没有“过去的过去”概念)本题如果说成not he but I，句子就要改为Not he but I have made the same mistake again and again．(延伸)用A or B形式作为主语时，也是看后面的B．