阿摩線上測驗
29. A radio medical advice service _____ ships of all nationalities and no charge is made for
this service.
(A)is attributable for
(B)is available for
(C) is vulnerable for
(D) is considerable for
答案：登入後查看
統計： A(49), B(431), C(43), D(45), E(0) #1625869
統計： A(49), B(431), C(43), D(45), E(0) #1625869
