阿摩線上測驗
24. The man ________ for more than two hours when the train finally pulled into the station.
(A) has waited
(B) has been waiting
(C)had been waiting
(D) was waiting
答案：登入後查看
統計： A(28), B(38), C(160), D(15), E(0) #1329443
統計： A(28), B(38), C(160), D(15), E(0) #1329443
