問題詳情

25.Close the skylights and check the ________ door control and report to Chief officer right now.
(A)air tight
(B)watertightness
(C)watertighten
(D)watertight

參考答案

答案:D
難度:適中0.5
統計:A(0),B(1),C(0),D(1),E(0)