問題詳情

8. Elsa's moods ________ between depression and elation; no one exactly knows when she will be sad or happy.
(A)quail
(B) oscillate
(C) expound
(D) substantiate

參考答案

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

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