阿摩線上測驗
20. The company has introduced a new policy, _____ effects will be closely monitored over the next few years.
(A) how
(B) whose
(C) what
(D) which
答案：登入後查看
統計： A(21), B(83), C(21), D(140), E(0) #3430656
統計： A(21), B(83), C(21), D(140), E(0) #3430656
