阿摩線上測驗
51 There is no________ that brave firemen play very important roles in our life, and they always rescue the injured from fire scenes regardless of personal safety.
(A)reason
(B)doubt
(C)basis
(D)instance
答案：登入後查看
統計： A(12), B(80), C(6), D(11), E(0) #1809705
統計： A(12), B(80), C(6), D(11), E(0) #1809705
