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(14), B(17), C(16), D(327), E(0) #2897531
統計: A(14), B(17), C(16), D(327), E(0) #2897531