問題詳情

37. If it ______ the full preparation, the interdepartmental coordination could have failed.
(A) is not
(B) was not by
(C) has not been
(D) had not been for

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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