阿摩線上測驗
34. We need to come up with a ______ plan to reduce energy waste in the school.
(A) temporary
(B) controversial
(C) sustainable
(D) casual
答案：登入後查看
統計： A(5), B(10), C(99), D(6), E(0) #3446512
統計： A(5), B(10), C(99), D(6), E(0) #3446512
