阿摩線上測驗
18. According to agricultural experts, too many artificial _______ will decrease the productivity of land.
(A) animators
(B) fertilizers
(C) governors
(D) employers
答案：登入後查看
統計： A(14), B(59), C(6), D(23), E(0) #1953618
統計： A(14), B(59), C(6), D(23), E(0) #1953618
