阿摩線上測驗
50 Shipmasters are expected to make proper arrangements for ______in order to always keep their
ships in a safe and seaworthy condition.
(A)persistence
(B) qualification
(C) maintenance
(D) confiscation
答案：登入後查看
統計： A(8), B(21), C(68), D(10), E(0) #2354235
統計： A(8), B(21), C(68), D(10), E(0) #2354235
