問題詳情

31. No one knows exactly what ____ Kate’s decision to leave her job on such a short notice.
(A) lay behind
(B)lied behind
(C)lay in
(D)has lied behind

參考答案

答案:D[無官方正解]
難度:非常困難0
統計:A(1),B(2),C(1),D(3),E(0)

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