問題詳情

13. _______ your rewards program inside out will help you learn the best way to use your credit card tomaximize your rewards.
(A) Know
(B) Knowing
(C) Known
(D) Know that

參考答案

答案：B
難度：簡單0.875
統計：A(1),B(21),C(2),D(0),E(0)