阿摩線上測驗
4. Can you tell me when ______ ?
(A) the train leaves
(B) does the train leave
(C) leaves the train
(D) does leave the train
答案：登入後查看
統計： A(456), B(234), C(39), D(10), E(0) #3101625
統計： A(456), B(234), C(39), D(10), E(0) #3101625
