阿摩線上測驗
26 In their efforts to help prevent water pollution, maritime police can inspect ships for illegal ________ of waste or oil.
(A) dumping
(B) leakage
(C) storage
(D) transport
答案：登入後查看
統計： A(53), B(18), C(15), D(11), E(0) #3462280
統計： A(53), B(18), C(15), D(11), E(0) #3462280
