阿摩線上測驗
18. Laura Wilder specialized ___________ about her childhood on the American frontier.
(A) to write
(B) who wrote
(C) writings
(D) in writing
答案：登入後查看
統計： A(37), B(19), C(17), D(110), E(0) #1140668
統計： A(37), B(19), C(17), D(110), E(0) #1140668
