問題詳情

29.Employees of this company are required to________off all the lights before leaving in order to save the energy.
(A) loosen
(B) pepper
(C) switch
(D) wander

參考答案

答案:C
難度:簡單0.842506
統計:A(197),B(95),C(2434),D(163),E(0)

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