問題詳情

39. ___________ a proper dining etiquette to wait to eat until everyone has been served some food.
(A) It is
(B) That is
(C) What is
(D) Which is

參考答案

答案:A
難度:簡單0.724762
統計:A(761),B(180),C(69),D(40),E(0)

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