The machine he originated and perfected

最全题库2022-08-02 30

问题 The machine he originated and perfected has no modern _____ or ancient prototype.A.successorB.ancestorC.forefatherD.predecessor

选项 A.successor
B.ancestor
C.forefather
D.predecessor

答案 D

解析 predecessor前任；（被取代的）原有事物。successor接任者。ancestor祖先。forefather祖先。

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