阿摩線上測驗
27. You must be superior to me in this field, because you ________ here for over ten years and have great
reputation among our clients.
(A) were working
(B) had worked
(C)had been working
(D) have been working
答案：登入後查看
統計： A(5), B(35), C(51), D(250), E(0) #1560027
統計： A(5), B(35), C(51), D(250), E(0) #1560027
