問題詳情

63 In the UK, it is _____ to leave a tip of around 10-15% of the bill, for good service and food.
(A) accidental
(B) periodic
(C) customary
(D) obligatory

參考答案

答案:C
難度:非常簡單1
統計:A(0),B(0),C(1),D(0),E(0)

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