阿摩線上測驗
46. Many Internet services offer tools for parents to ________ what their children can see.
(A) regulate
(B) twist
(C) estimate
(D) forgive
答案：登入後查看
統計： A(75), B(8), C(34), D(2), E(0) #3446524
統計： A(75), B(8), C(34), D(2), E(0) #3446524
