阿摩線上測驗
20. How did the number of ship hijackings change after 2012?
(A) It stayed the same.
(B) It increased every year.
(C) It was always at zero.
(D) It decreased significantly.
答案：登入後查看
統計： A(1), B(5), C(3), D(37), E(0) #3433561
統計： A(1), B(5), C(3), D(37), E(0) #3433561
