問題詳情

【題組】50. Be sure to look behind you and hold the door open for someone coming through thesame door when you enter a building.    It is a common _______ in many cultures.
(A) commitment       
(B) stability          
(C) currency      
(D) courtesy

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)