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(141), B(73), C(152), D(78), E(0) #2902641
統計： A(141), B(73), C(152), D(78), E(0) #2902641
