問題詳情

16.Our well-trained and caring employees are present __________ to provide the best services for every guest.
(A) a few times
(B) many times
(C) at all times
(D) often times

參考答案

答案：C
難度：適中0.666667
統計：A(1),B(1),C(4),D(0),E(0)