問題詳情

11. By the time the government gave a warning, the contaminated milk powder ________ made into bread.(
(A)has been
(B) had been
(C) will be
(D) will have been

參考答案

答案:B[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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