9. I sincerely apologize for the delay due to an _____ on my part.
(A) augmentation
(B) urchin
(C) introvert
(D) oversight
答案:登入後查看
統計: A(65), B(30), C(68), D(85), E(0) #2647726
統計: A(65), B(30), C(68), D(85), E(0) #2647726