問題詳情

25.”Casual Friday” is one day each week _____ employees can wear casual clothes to work.
(A) where
(B) why
(C) on which
(D) what

參考答案

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

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