問題詳情

【題組】18、( )Night owls tend to increase activity ________.
(A)in the dead of night
(B)day and night
(C)night after night
(D)in the end

參考答案

答案：C[無官方正解]
難度：適中0.5
統計：A(1),B(3),C(4),D(0),E(0)