問題詳情

40. Neither the senior engineers nor the factory manager ________ explain the delay.
(A)haven't able to
(B)were able to
(C)was able to
(D)hasn't able to

參考答案

答案:C
難度:適中0.66443
統計:A(12),B(18),C(99),D(9),E(0)

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