阿摩線上測驗
59.Soon all our natural resources will be used up if we do not ________ our levels of consumption.
(A) calcify
(B) multiply
(C) generate
(D) reduce
答案：登入後查看
統計： A(1), B(10), C(9), D(77), E(0) #664974
統計： A(1), B(10), C(9), D(77), E(0) #664974
