阿摩線上測驗
7. The professor's argument was so ____ that even seasoned scholars found themselves reconsidering long-held assumptions.
(A) cogent
(B) porous
(C) stagnant
(D) frivolous
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統計： A(21), B(4), C(4), D(6), E(0) #3863674
統計： A(21), B(4), C(4), D(6), E(0) #3863674
