阿摩線上測驗
40 Lack of experience is a major ________ for him to run his business.
(A) addition
(B) defector
(C) elevator
(D) obstacle
答案：登入後查看
統計： A(24), B(54), C(35), D(149), E(0) #3462139
統計： A(24), B(54), C(35), D(149), E(0) #3462139
