阿摩線上測驗
125.
By the time the client called, the salesperson _____ on the proposal for three days
straight and was relieved to finally have the chance to present it.
(A) will be working
(B) has been worked
(C) had been worked
(D) had been working
答案：登入後查看
統計： A(19), B(72), C(112), D(272), E(0) #3085194
統計： A(19), B(72), C(112), D(272), E(0) #3085194
