阿摩線上測驗
11. By focusing on books for women, this independent bookstore found a _____ and survived competition.
(A) niche
(B)swap
(C) trek
(D) verge
答案：登入後查看
統計： A(100), B(52), C(43), D(64), E(0) #1990725
統計： A(100), B(52), C(43), D(64), E(0) #1990725
