阿摩線上測驗
23. He owed _____ to his Music teacher in childhood, without whose help he would not have become a prominent violinist.
(A) a gratitude debt
(B) a debt with gratitude
(C) a debt of gratitude
(D) a debt in gratitude
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統計： 尚無統計資料
統計： 尚無統計資料
