阿摩線上測驗
2. This dog is trained to _______ hidden bombs at the airport.
(A) plant
(B) detect
(C) extract
(D) overlook
答案：登入後查看
統計： A(4), B(20), C(3), D(5), E(0) #3276589
統計： A(4), B(20), C(3), D(5), E(0) #3276589
