問題詳情

19. It is ___________ leather its permeability to air and water vapor.
(A) the structure it gives
(B) giving it the structure of
(C) structure that gives it
(D) its structure that gives

參考答案

答案:D
難度:適中0.504505
統計:A(19),B(9),C(24),D(56),E(0)

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