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
詳解 (共 2 筆)
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(A)quail -1)a small ...
私人筆記 (共 2 筆)
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(A) quail 鵪鶉(B) osci...
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Oscillate os:自我問答.....