問題詳情

3. There’s some email _______ one must follow. For example, you should write clear subject lines.
(A)calculation
(B)etiquette
(C)proposal
(D)occasion

參考答案

答案:B
難度:適中0.529762
統計:A(36),B(267),C(171),D(30),E(0)

內容推薦