阿摩線上測驗
2. The police are trying to______ out the genuine warnings from all the hoax calls they have received.
(A) sift
(B) confine
(C) break
(D) ring
答案：登入後查看
統計： A(131), B(70), C(141), D(74), E(0) #2902641
統計： A(131), B(70), C(141), D(74), E(0) #2902641
