阿摩線上測驗
29. Cynthia _____ in a bookstore since she graduated from university in 2015.
(A) works
(B) worked
(C) is working
(D) has been working
答案：登入後查看
統計： A(17), B(18), C(20), D(332), E(0) #2897531
統計： A(17), B(18), C(20), D(332), E(0) #2897531
