阿摩線上測驗
111. The new irrigation system is expected to significantly increase crop_______in the arid region.
(A) fields
(B) farms
(C) yields
(D) grounds
答案：登入後查看
統計： A(23), B(7), C(34), D(2), E(0) #3823411
統計： A(23), B(7), C(34), D(2), E(0) #3823411
