阿摩線上測驗
23. By the time he arrived, the meeting______.
(A) has already started
(B) was already starting
(C) already start
(D) had already started
答案：登入後查看
統計： A(41), B(36), C(9), D(165), E(0) #3650625
統計： A(41), B(36), C(9), D(165), E(0) #3650625
