阿摩線上測驗
66. I have to apologize for the inconvenience. I promise ____ it again.
(A)not to do
(B)not doing
(C)not done
(D)not do
答案：登入後查看
統計： A(414), B(134), C(14), D(31), E(0) #1616897
統計： A(414), B(134), C(14), D(31), E(0) #1616897
