阿摩線上測驗
13. Engineers performed a thorough _____ of the braking system after the incident.
(A) inspection
(B) instruction
(C) installation
(D) interruption
答案：登入後查看
統計： A(26), B(11), C(5), D(0), E(0) #3492421
統計： A(26), B(11), C(5), D(0), E(0) #3492421
