阿摩線上測驗
4. In India, the world's second largest consumers of coal after China, those coal
deposits are a highly valuable ____________.
(A)product
(B)goods
(C)cargo
(D)commodity
答案：登入後查看
統計： A(12), B(17), C(9), D(37), E(0) #3262730
統計： A(12), B(17), C(9), D(37), E(0) #3262730
