阿摩線上測驗
30. JCPenney, an iconic American retail company, _____ for over 100 years before it filed for bankruptcy protection in 2020.
(A)has done business
(B)was in business
(C)had been in business
(D)which is in business
答案：登入後查看
統計： A(7), B(2), C(23), D(4), E(0) #3867832
統計： A(7), B(2), C(23), D(4), E(0) #3867832
