問題詳情

4. The old man has developed a _____ cough which cannot be cured completely in a short time.
(A) chronic
(B) productive
(C) flexible
(D) versatile
(E) reversible

參考答案

答案:A
難度:適中0.636364
統計:A(7),B(0),C(1),D(3),E(0)

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