阿摩線上測驗
6. How we _____ the ocean's resources for generations to come is an imperious problem to be resolved.
(A) eliminate
(B) disembark
(C) prompt
(D) sustain
答案：登入後查看
統計： A(48), B(11), C(17), D(525), E(0) #1727112
統計： A(48), B(11), C(17), D(525), E(0) #1727112
